mlpack →
2.2.5-1 →
armhf → 2017-09-10 00:56:55
sbuild (Debian sbuild) 0.71.0 (24 Aug 2016) on bm-wb-03
+==============================================================================+
| mlpack 2.2.5-1 (armhf) Sat, 09 Sep 2017 11:18:45 +0000 |
+==============================================================================+
Package: mlpack
Version: 2.2.5-1
Source Version: 2.2.5-1
Distribution: buster-staging
Machine Architecture: armhf
Host Architecture: armhf
Build Architecture: armhf
I: NOTICE: Log filtering will replace 'var/lib/schroot/mount/buster-staging-armhf-sbuild-69d54a24-b1a9-4dfc-a5fc-3e0409823a15' with '<<CHROOT>>'
+------------------------------------------------------------------------------+
| Update chroot |
+------------------------------------------------------------------------------+
Get:1 http://172.17.0.1/private buster-staging InRelease [11.3 kB]
Get:2 http://172.17.0.1/private buster-staging/main Sources [10.2 MB]
Get:3 http://172.17.0.1/private buster-staging/main armhf Packages [12.0 MB]
Fetched 22.2 MB in 24s (891 kB/s)
Reading package lists...
W: No sandbox user '_apt' on the system, can not drop privileges
+------------------------------------------------------------------------------+
| Fetch source files |
+------------------------------------------------------------------------------+
Check APT
---------
Checking available source versions...
Download source files with APT
------------------------------
Reading package lists...
NOTICE: 'mlpack' packaging is maintained in the 'Git' version control system at:
https://anonscm.debian.org/git/debian-science/packages/mlpack.git
Please use:
git clone https://anonscm.debian.org/git/debian-science/packages/mlpack.git
to retrieve the latest (possibly unreleased) updates to the package.
Need to get 2757 kB of source archives.
Get:1 http://172.17.0.1/private buster-staging/main mlpack 2.2.5-1 (dsc) [2340 B]
Get:2 http://172.17.0.1/private buster-staging/main mlpack 2.2.5-1 (tar) [2748 kB]
Get:3 http://172.17.0.1/private buster-staging/main mlpack 2.2.5-1 (diff) [7036 B]
Fetched 2757 kB in 0s (7107 kB/s)
Download complete and in download only mode
I: NOTICE: Log filtering will replace 'build/mlpack-ARIIB9/mlpack-2.2.5' with '<<PKGBUILDDIR>>'
I: NOTICE: Log filtering will replace 'build/mlpack-ARIIB9' with '<<BUILDDIR>>'
+------------------------------------------------------------------------------+
| Install build-essential |
+------------------------------------------------------------------------------+
Setup apt archive
-----------------
Merged Build-Depends: build-essential, fakeroot
Filtered Build-Depends: build-essential, fakeroot
dpkg-deb: building package 'sbuild-build-depends-core-dummy' in '/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive/sbuild-build-depends-core-dummy.deb'.
dpkg-scanpackages: warning: Packages in archive but missing from override file:
dpkg-scanpackages: warning: sbuild-build-depends-core-dummy
dpkg-scanpackages: info: Wrote 1 entries to output Packages file.
gpg: keybox '/<<BUILDDIR>>/resolver-HTt7Sd/gpg/pubring.kbx' created
gpg: /<<BUILDDIR>>/resolver-HTt7Sd/gpg/trustdb.gpg: trustdb created
gpg: key 35506D9A48F77B2E: public key "Sbuild Signer (Sbuild Build Dependency Archive Key) <buildd-tools-devel@lists.alioth.debian.org>" imported
gpg: Total number processed: 1
gpg: imported: 1
gpg: key 35506D9A48F77B2E: "Sbuild Signer (Sbuild Build Dependency Archive Key) <buildd-tools-devel@lists.alioth.debian.org>" not changed
gpg: key 35506D9A48F77B2E: secret key imported
gpg: Total number processed: 1
gpg: unchanged: 1
gpg: secret keys read: 1
gpg: secret keys imported: 1
gpg: using "Sbuild Signer" as default secret key for signing
Ign:1 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ InRelease
Get:2 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ Release [957 B]
Get:3 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ Release.gpg [370 B]
Get:4 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ Sources [349 B]
Get:5 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ Packages [433 B]
Fetched 2109 B in 0s (3332 B/s)
Reading package lists...
W: No sandbox user '_apt' on the system, can not drop privileges
Reading package lists...
Install core build dependencies (apt-based resolver)
----------------------------------------------------
Installing build dependencies
Reading package lists...
Building dependency tree...
Reading state information...
The following packages were automatically installed and are no longer required:
ca-certificates libsasl2-modules libssl1.1 openssl
Use 'apt autoremove' to remove them.
The following NEW packages will be installed:
sbuild-build-depends-core-dummy
0 upgraded, 1 newly installed, 0 to remove and 26 not upgraded.
Need to get 776 B of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ sbuild-build-depends-core-dummy 0.invalid.0 [776 B]
debconf: delaying package configuration, since apt-utils is not installed
Fetched 776 B in 0s (0 B/s)
Selecting previously unselected package sbuild-build-depends-core-dummy.
(Reading database ... 15017 files and directories currently installed.)
Preparing to unpack .../sbuild-build-depends-core-dummy_0.invalid.0_armhf.deb ...
Unpacking sbuild-build-depends-core-dummy (0.invalid.0) ...
Setting up sbuild-build-depends-core-dummy (0.invalid.0) ...
W: No sandbox user '_apt' on the system, can not drop privileges
+------------------------------------------------------------------------------+
| Check architectures |
+------------------------------------------------------------------------------+
Arch check ok (armhf included in any all)
+------------------------------------------------------------------------------+
| Install package build dependencies |
+------------------------------------------------------------------------------+
Setup apt archive
-----------------
Merged Build-Depends: cmake, debhelper (>= 10), dh-exec, pkg-config, chrpath, libboost-math-dev, libboost-program-options-dev, libboost-random-dev, libboost-test-dev, libboost-serialization-dev, libxml2-dev, libarmadillo-dev, txt2man, doxygen, doxygen-latex, graphviz
Filtered Build-Depends: cmake, debhelper (>= 10), dh-exec, pkg-config, chrpath, libboost-math-dev, libboost-program-options-dev, libboost-random-dev, libboost-test-dev, libboost-serialization-dev, libxml2-dev, libarmadillo-dev, txt2man, doxygen, doxygen-latex, graphviz
dpkg-deb: building package 'sbuild-build-depends-mlpack-dummy' in '/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive/sbuild-build-depends-mlpack-dummy.deb'.
dpkg-scanpackages: warning: Packages in archive but missing from override file:
dpkg-scanpackages: warning: sbuild-build-depends-core-dummy sbuild-build-depends-mlpack-dummy
dpkg-scanpackages: info: Wrote 2 entries to output Packages file.
gpg: using "Sbuild Signer" as default secret key for signing
Ign:1 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ InRelease
Get:2 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ Release [963 B]
Get:3 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ Release.gpg [370 B]
Get:4 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ Sources [605 B]
Get:5 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ Packages [683 B]
Fetched 2621 B in 0s (3651 B/s)
Reading package lists...
W: No sandbox user '_apt' on the system, can not drop privileges
Reading package lists...
Install mlpack build dependencies (apt-based resolver)
------------------------------------------------------
Installing build dependencies
Reading package lists...
Building dependency tree...
Reading state information...
The following packages were automatically installed and are no longer required:
ca-certificates libsasl2-modules openssl
Use 'apt autoremove' to remove them.
The following additional packages will be installed:
autoconf automake autopoint autotools-dev bsdmainutils chrpath
cm-super-minimal cmake cmake-data cpp-7 debhelper dh-autoreconf dh-exec
dh-strip-nondeterminism doxygen doxygen-latex file fontconfig
fontconfig-config fonts-dejavu-core fonts-lmodern g++-7 gawk gcc-6-base
gcc-7 gcc-7-base gettext gettext-base gfortran gfortran-7 ghostscript
graphviz groff-base hdf5-helpers icu-devtools intltool-debian libaec-dev
libaec0 libann0 libarchive-zip-perl libarchive13 libarmadillo-dev
libarmadillo7 libarpack2 libarpack2-dev libasan4 libatomic1 libavahi-client3
libavahi-common-data libavahi-common3 libblas-common libblas-dev libblas3
libboost-chrono1.62.0 libboost-math-dev libboost-math1.62-dev
libboost-math1.62.0 libboost-program-options-dev
libboost-program-options1.62-dev libboost-program-options1.62.0
libboost-random-dev libboost-random1.62-dev libboost-random1.62.0
libboost-serialization-dev libboost-serialization1.62-dev
libboost-serialization1.62.0 libboost-system1.62.0 libboost-test-dev
libboost-test1.62-dev libboost-test1.62.0 libboost-timer1.62.0
libboost1.62-dev libbsd0 libcairo2 libcc1-0 libcdt5 libcgraph6 libcilkrts5
libclang1-5.0 libcroco3 libcups2 libcupsimage2 libcurl3 libdatrie1 libedit2
libexpat1 libfile-stripnondeterminism-perl libfontconfig1 libfreetype6
libgcc-7-dev libgcc1 libgd3 libgfortran-7-dev libgfortran3 libgfortran4
libglib2.0-0 libgomp1 libgraphite2-3 libgs9 libgs9-common libgssapi-krb5-2
libgts-0.7-5 libgvc6 libgvpr2 libharfbuzz-icu0 libharfbuzz0b libhdf5-100
libhdf5-cpp-100 libhdf5-dev libice6 libicu-dev libicu57 libijs-0.35 libjbig0
libjbig2dec0 libjpeg-dev libjpeg62-turbo libjpeg62-turbo-dev libjsoncpp1
libk5crypto3 libkeyutils1 libkpathsea6 libkrb5-3 libkrb5support0
liblapack-dev liblapack3 liblcms2-2 libllvm5.0 libltdl7 liblzo2-2
libmagic-mgc libmagic1 libmime-charset-perl libnghttp2-14 libnspr4 libnss3
libopenjp2-7 libpango-1.0-0 libpangocairo-1.0-0 libpangoft2-1.0-0
libpaper-utils libpaper1 libpathplan4 libpipeline1 libpixman-1-0
libpoppler68 libpotrace0 libpsl5 libptexenc1 libpython-stdlib
libpython2.7-minimal libpython2.7-stdlib librhash0 librtmp1 libsigsegv2
libsm6 libsombok3 libssh2-1 libssl1.0.2 libstdc++-7-dev libstdc++6
libsuperlu-dev libsuperlu5 libsynctex1 libsz2 libtexlua52 libtexluajit2
libthai-data libthai0 libtiff5 libtimedate-perl libtool libubsan0
libunicode-linebreak-perl libuv1 libwebp6 libx11-6 libx11-data libxapian30
libxau6 libxaw7 libxcb-render0 libxcb-shm0 libxcb1 libxdmcp6 libxdot4
libxext6 libxi6 libxml2 libxml2-dev libxmu6 libxpm4 libxrender1 libxt6
libzzip-0-13 m4 man-db mime-support pkg-config po-debconf poppler-data
preview-latex-style python python-minimal python2.7 python2.7-minimal
t1utils tex-common texlive-base texlive-binaries texlive-extra-utils
texlive-font-utils texlive-fonts-recommended texlive-latex-base
texlive-latex-extra texlive-latex-recommended texlive-pictures txt2man ucf
x11-common xdg-utils zlib1g-dev
Suggested packages:
autoconf-archive gnu-standards autoconf-doc wamerican | wordlist whois
vacation ninja-build gcc-7-locales dh-make doxygen-doc doxygen-gui gcc-7-doc
libstdc++6-7-dbg gawk-doc libgcc1-dbg libgomp1-dbg libitm1-dbg
libatomic1-dbg libasan4-dbg liblsan0-dbg libtsan0-dbg libubsan0-dbg
libcilkrts5-dbg libmpx2-dbg libquadmath0-dbg gettext-doc libasprintf-dev
libgettextpo-dev gfortran-doc gfortran-7-doc libgfortran4-dbg
libcoarrays-dev ghostscript-x gsfonts graphviz-doc groff lrzip libitpp-dev
liblapack-doc libboost1.62-doc libboost-atomic1.62-dev
libboost-chrono1.62-dev libboost-context1.62-dev libboost-coroutine1.62-dev
libboost-date-time1.62-dev libboost-exception1.62-dev libboost-fiber1.62-dev
libboost-filesystem1.62-dev libboost-graph1.62-dev
libboost-graph-parallel1.62-dev libboost-iostreams1.62-dev
libboost-locale1.62-dev libboost-log1.62-dev libboost-mpi1.62-dev
libboost-mpi-python1.62-dev libboost-python1.62-dev libboost-regex1.62-dev
libboost-signals1.62-dev libboost-system1.62-dev libboost-thread1.62-dev
libboost-timer1.62-dev libboost-type-erasure1.62-dev libboost-wave1.62-dev
libboost1.62-tools-dev libmpfrc++-dev libntl-dev cups-common libgd-tools
krb5-doc krb5-user libhdf5-doc icu-doc liblcms2-utils
libencode-hanextra-perl libpod2-base-perl libstdc++-7-doc libsuperlu-doc
libtool-doc gcj-jdk xapian-tools m4-doc less www-browser libmail-box-perl
poppler-utils fonts-japanese-mincho | fonts-ipafont-mincho
fonts-japanese-gothic | fonts-ipafont-gothic fonts-arphic-ukai
fonts-arphic-uming fonts-nanum python-doc python-tk python2.7-doc
binfmt-support perl-tk xpdf-reader | pdf-viewer chktex dvidvi dvipng
fragmaster lacheck latexdiff latexmk purifyeps xindy psutils python-pygments
libfile-which-perl libspreadsheet-parseexcel-perl texlive-pstricks dot2tex
prerex ruby-tcltk | libtcltk-ruby gvfs-bin
Recommended packages:
curl | wget | lynx-cur gsfonts fonts-liberation libcupsfilters1
libarchive-cpio-perl libglib2.0-data shared-mime-info xdg-user-dirs
fonts-droid-fallback libgts-bin krb5-locales publicsuffix libltdl-dev
xml-core libmail-sendmail-perl lmodern ruby wish libfile-homedir-perl
libyaml-tiny-perl ruby | ruby-interpreter ps2eps tex-gyre
texlive-fonts-recommended-doc tipa texlive-latex-base-doc
texlive-latex-extra-doc texlive-plain-generic texlive-latex-recommended-doc
texlive-pictures-doc tk libfile-mimeinfo-perl libnet-dbus-perl
libx11-protocol-perl x11-utils x11-xserver-utils
The following NEW packages will be installed:
autoconf automake autopoint autotools-dev bsdmainutils chrpath
cm-super-minimal cmake cmake-data debhelper dh-autoreconf dh-exec
dh-strip-nondeterminism doxygen doxygen-latex file fontconfig
fontconfig-config fonts-dejavu-core fonts-lmodern gawk gcc-6-base gettext
gettext-base gfortran gfortran-7 ghostscript graphviz groff-base
hdf5-helpers icu-devtools intltool-debian libaec-dev libaec0 libann0
libarchive-zip-perl libarchive13 libarmadillo-dev libarmadillo7 libarpack2
libarpack2-dev libavahi-client3 libavahi-common-data libavahi-common3
libblas-common libblas-dev libblas3 libboost-chrono1.62.0 libboost-math-dev
libboost-math1.62-dev libboost-math1.62.0 libboost-program-options-dev
libboost-program-options1.62-dev libboost-program-options1.62.0
libboost-random-dev libboost-random1.62-dev libboost-random1.62.0
libboost-serialization-dev libboost-serialization1.62-dev
libboost-serialization1.62.0 libboost-system1.62.0 libboost-test-dev
libboost-test1.62-dev libboost-test1.62.0 libboost-timer1.62.0
libboost1.62-dev libbsd0 libcairo2 libcdt5 libcgraph6 libclang1-5.0
libcroco3 libcups2 libcupsimage2 libcurl3 libdatrie1 libedit2 libexpat1
libfile-stripnondeterminism-perl libfontconfig1 libfreetype6 libgd3
libgfortran-7-dev libgfortran3 libgfortran4 libglib2.0-0 libgraphite2-3
libgs9 libgs9-common libgssapi-krb5-2 libgts-0.7-5 libgvc6 libgvpr2
libharfbuzz-icu0 libharfbuzz0b libhdf5-100 libhdf5-cpp-100 libhdf5-dev
libice6 libicu-dev libicu57 libijs-0.35 libjbig0 libjbig2dec0 libjpeg-dev
libjpeg62-turbo libjpeg62-turbo-dev libjsoncpp1 libk5crypto3 libkeyutils1
libkpathsea6 libkrb5-3 libkrb5support0 liblapack-dev liblapack3 liblcms2-2
libllvm5.0 libltdl7 liblzo2-2 libmagic-mgc libmagic1 libmime-charset-perl
libnghttp2-14 libnspr4 libnss3 libopenjp2-7 libpango-1.0-0
libpangocairo-1.0-0 libpangoft2-1.0-0 libpaper-utils libpaper1 libpathplan4
libpipeline1 libpixman-1-0 libpoppler68 libpotrace0 libpsl5 libptexenc1
libpython-stdlib libpython2.7-minimal libpython2.7-stdlib librhash0 librtmp1
libsigsegv2 libsm6 libsombok3 libssh2-1 libssl1.0.2 libsuperlu-dev
libsuperlu5 libsynctex1 libsz2 libtexlua52 libtexluajit2 libthai-data
libthai0 libtiff5 libtimedate-perl libtool libunicode-linebreak-perl libuv1
libwebp6 libx11-6 libx11-data libxapian30 libxau6 libxaw7 libxcb-render0
libxcb-shm0 libxcb1 libxdmcp6 libxdot4 libxext6 libxi6 libxml2 libxml2-dev
libxmu6 libxpm4 libxrender1 libxt6 libzzip-0-13 m4 man-db mime-support
pkg-config po-debconf poppler-data preview-latex-style python python-minimal
python2.7 python2.7-minimal sbuild-build-depends-mlpack-dummy t1utils
tex-common texlive-base texlive-binaries texlive-extra-utils
texlive-font-utils texlive-fonts-recommended texlive-latex-base
texlive-latex-extra texlive-latex-recommended texlive-pictures txt2man ucf
x11-common xdg-utils zlib1g-dev
The following packages will be upgraded:
cpp-7 g++-7 gcc-7 gcc-7-base libasan4 libatomic1 libcc1-0 libcilkrts5
libgcc-7-dev libgcc1 libgomp1 libstdc++-7-dev libstdc++6 libubsan0
14 upgraded, 209 newly installed, 0 to remove and 12 not upgraded.
Need to get 323 MB of archives.
After this operation, 899 MB of additional disk space will be used.
Get:1 copy:/<<BUILDDIR>>/resolver-HTt7Sd/apt_archive ./ sbuild-build-depends-mlpack-dummy 0.invalid.0 [884 B]
Get:2 http://172.17.0.1/private buster-staging/main armhf libgomp1 armhf 7.2.0-3 [63.1 kB]
Get:3 http://172.17.0.1/private buster-staging/main armhf gcc-7-base armhf 7.2.0-3 [181 kB]
Get:4 http://172.17.0.1/private buster-staging/main armhf libgcc1 armhf 1:7.2.0-3 [38.6 kB]
Get:5 http://172.17.0.1/private buster-staging/main armhf libatomic1 armhf 7.2.0-3 [6728 B]
Get:6 http://172.17.0.1/private buster-staging/main armhf libasan4 armhf 7.2.0-3 [297 kB]
Get:7 http://172.17.0.1/private buster-staging/main armhf libubsan0 armhf 7.2.0-3 [100 kB]
Get:8 http://172.17.0.1/private buster-staging/main armhf libcilkrts5 armhf 7.2.0-3 [35.3 kB]
Get:9 http://172.17.0.1/private buster-staging/main armhf cpp-7 armhf 7.2.0-3 [29.0 MB]
Get:10 http://172.17.0.1/private buster-staging/main armhf libcc1-0 armhf 7.2.0-3 [30.1 kB]
Get:11 http://172.17.0.1/private buster-staging/main armhf g++-7 armhf 7.2.0-3 [31.0 MB]
Get:12 http://172.17.0.1/private buster-staging/main armhf gcc-7 armhf 7.2.0-3 [28.2 MB]
Get:13 http://172.17.0.1/private buster-staging/main armhf libgcc-7-dev armhf 7.2.0-3 [662 kB]
Get:14 http://172.17.0.1/private buster-staging/main armhf libstdc++-7-dev armhf 7.2.0-3 [1494 kB]
Get:15 http://172.17.0.1/private buster-staging/main armhf libstdc++6 armhf 7.2.0-3 [334 kB]
Get:16 http://172.17.0.1/private buster-staging/main armhf groff-base armhf 1.22.3-9 [1005 kB]
Get:17 http://172.17.0.1/private buster-staging/main armhf libbsd0 armhf 0.8.6-2 [95.8 kB]
Get:18 http://172.17.0.1/private buster-staging/main armhf bsdmainutils armhf 9.0.12+nmu1 [178 kB]
Get:19 http://172.17.0.1/private buster-staging/main armhf libpipeline1 armhf 1.4.2-1 [24.2 kB]
Get:20 http://172.17.0.1/private buster-staging/main armhf man-db armhf 2.7.6.1-2 [1014 kB]
Get:21 http://172.17.0.1/private buster-staging/main armhf cmake-data all 3.9.0-1 [1294 kB]
Get:22 http://172.17.0.1/private buster-staging/main armhf liblzo2-2 armhf 2.08-1.2 [47.6 kB]
Get:23 http://172.17.0.1/private buster-staging/main armhf libicu57 armhf 57.1-6 [7427 kB]
Get:24 http://172.17.0.1/private buster-staging/main armhf libxml2 armhf 2.9.4+dfsg1-3.1 [609 kB]
Get:25 http://172.17.0.1/private buster-staging/main armhf libarchive13 armhf 3.2.2-2 [254 kB]
Get:26 http://172.17.0.1/private buster-staging/main armhf libkeyutils1 armhf 1.5.9-9 [11.9 kB]
Get:27 http://172.17.0.1/private buster-staging/main armhf libkrb5support0 armhf 1.15.1-2 [58.4 kB]
Get:28 http://172.17.0.1/private buster-staging/main armhf libk5crypto3 armhf 1.15.1-2 [115 kB]
Get:29 http://172.17.0.1/private buster-staging/main armhf libkrb5-3 armhf 1.15.1-2 [265 kB]
Get:30 http://172.17.0.1/private buster-staging/main armhf libgssapi-krb5-2 armhf 1.15.1-2 [132 kB]
Get:31 http://172.17.0.1/private buster-staging/main armhf libnghttp2-14 armhf 1.25.0-1 [70.2 kB]
Get:32 http://172.17.0.1/private buster-staging/main armhf libpsl5 armhf 0.18.0-2 [42.3 kB]
Get:33 http://172.17.0.1/private buster-staging/main armhf librtmp1 armhf 2.4+20151223.gitfa8646d.1-1 [54.2 kB]
Get:34 http://172.17.0.1/private buster-staging/main armhf libssh2-1 armhf 1.8.0-1 [126 kB]
Get:35 http://172.17.0.1/private buster-staging/main armhf libssl1.0.2 armhf 1.0.2l-2 [893 kB]
Get:36 http://172.17.0.1/private buster-staging/main armhf libcurl3 armhf 7.55.1-1 [264 kB]
Get:37 http://172.17.0.1/private buster-staging/main armhf libexpat1 armhf 2.2.3-1 [67.1 kB]
Get:38 http://172.17.0.1/private buster-staging/main armhf libjsoncpp1 armhf 1.7.4-3 [66.2 kB]
Get:39 http://172.17.0.1/private buster-staging/main armhf librhash0 armhf 1.3.4-3 [94.7 kB]
Get:40 http://172.17.0.1/private buster-staging/main armhf libuv1 armhf 1.9.1-3 [73.2 kB]
Get:41 http://172.17.0.1/private buster-staging/main armhf cmake armhf 3.9.0-1 [2509 kB]
Get:42 http://172.17.0.1/private buster-staging/main armhf libfreetype6 armhf 2.8-0.2 [393 kB]
Get:43 http://172.17.0.1/private buster-staging/main armhf ucf all 3.0036 [70.2 kB]
Get:44 http://172.17.0.1/private buster-staging/main armhf fonts-dejavu-core all 2.37-1 [1068 kB]
Get:45 http://172.17.0.1/private buster-staging/main armhf fontconfig-config all 2.12.3-0.2 [304 kB]
Get:46 http://172.17.0.1/private buster-staging/main armhf libfontconfig1 armhf 2.12.3-0.2 [349 kB]
Get:47 http://172.17.0.1/private buster-staging/main armhf fontconfig armhf 2.12.3-0.2 [435 kB]
Get:48 http://172.17.0.1/private buster-staging/main armhf libsigsegv2 armhf 2.11-1 [29.3 kB]
Get:49 http://172.17.0.1/private buster-staging/main armhf gawk armhf 1:4.1.4+dfsg-1 [508 kB]
Get:50 http://172.17.0.1/private buster-staging/main armhf poppler-data all 0.4.8-1 [1483 kB]
Get:51 http://172.17.0.1/private buster-staging/main armhf libpython2.7-minimal armhf 2.7.13-2 [389 kB]
Get:52 http://172.17.0.1/private buster-staging/main armhf python2.7-minimal armhf 2.7.13-2 [1178 kB]
Get:53 http://172.17.0.1/private buster-staging/main armhf python-minimal armhf 2.7.13-2 [40.5 kB]
Get:54 http://172.17.0.1/private buster-staging/main armhf mime-support all 3.60 [36.7 kB]
Get:55 http://172.17.0.1/private buster-staging/main armhf libpython2.7-stdlib armhf 2.7.13-2 [1827 kB]
Get:56 http://172.17.0.1/private buster-staging/main armhf python2.7 armhf 2.7.13-2 [285 kB]
Get:57 http://172.17.0.1/private buster-staging/main armhf libpython-stdlib armhf 2.7.13-2 [20.0 kB]
Get:58 http://172.17.0.1/private buster-staging/main armhf python armhf 2.7.13-2 [154 kB]
Get:59 http://172.17.0.1/private buster-staging/main armhf tex-common all 6.09 [53.2 kB]
Get:60 http://172.17.0.1/private buster-staging/main armhf gcc-6-base armhf 6.4.0-4+rpi1 [181 kB]
Get:61 http://172.17.0.1/private buster-staging/main armhf libmagic-mgc armhf 1:5.32-1 [225 kB]
Get:62 http://172.17.0.1/private buster-staging/main armhf libmagic1 armhf 1:5.32-1 [105 kB]
Get:63 http://172.17.0.1/private buster-staging/main armhf file armhf 1:5.32-1 [63.7 kB]
Get:64 http://172.17.0.1/private buster-staging/main armhf gettext-base armhf 0.19.8.1-4 [117 kB]
Get:65 http://172.17.0.1/private buster-staging/main armhf libedit2 armhf 3.1-20170329-1 [69.0 kB]
Get:66 http://172.17.0.1/private buster-staging/main armhf m4 armhf 1.4.18-1 [185 kB]
Get:67 http://172.17.0.1/private buster-staging/main armhf autoconf all 2.69-11 [341 kB]
Get:68 http://172.17.0.1/private buster-staging/main armhf autotools-dev all 20161112.1 [73.4 kB]
Get:69 http://172.17.0.1/private buster-staging/main armhf automake all 1:1.15.1-2.1 [736 kB]
Get:70 http://172.17.0.1/private buster-staging/main armhf autopoint all 0.19.8.1-4 [434 kB]
Get:71 http://172.17.0.1/private buster-staging/main armhf chrpath armhf 0.16-2 [15.4 kB]
Get:72 http://172.17.0.1/private buster-staging/main armhf libpaper1 armhf 1.1.24+nmu5 [20.8 kB]
Get:73 http://172.17.0.1/private buster-staging/main armhf libpaper-utils armhf 1.1.24+nmu5 [17.2 kB]
Get:74 http://172.17.0.1/private buster-staging/main armhf libkpathsea6 armhf 2017.20170613.44572-5+b1 [152 kB]
Get:75 http://172.17.0.1/private buster-staging/main armhf libptexenc1 armhf 2017.20170613.44572-5+b1 [56.1 kB]
Get:76 http://172.17.0.1/private buster-staging/main armhf libsynctex1 armhf 2017.20170613.44572-5+b1 [58.7 kB]
Get:77 http://172.17.0.1/private buster-staging/main armhf libtexlua52 armhf 2017.20170613.44572-5+b1 [85.9 kB]
Get:78 http://172.17.0.1/private buster-staging/main armhf libtexluajit2 armhf 2017.20170613.44572-5+b1 [201 kB]
Get:79 http://172.17.0.1/private buster-staging/main armhf t1utils armhf 1.40-2 [52.0 kB]
Get:80 http://172.17.0.1/private buster-staging/main armhf libpixman-1-0 armhf 0.34.0-1 [451 kB]
Get:81 http://172.17.0.1/private buster-staging/main armhf libxau6 armhf 1:1.0.8-1+b2 [19.1 kB]
Get:82 http://172.17.0.1/private buster-staging/main armhf libxdmcp6 armhf 1:1.1.2-3 [25.0 kB]
Get:83 http://172.17.0.1/private buster-staging/main armhf libxcb1 armhf 1.12-1 [129 kB]
Get:84 http://172.17.0.1/private buster-staging/main armhf libx11-data all 2:1.6.4-3 [290 kB]
Get:85 http://172.17.0.1/private buster-staging/main armhf libx11-6 armhf 2:1.6.4-3 [683 kB]
Get:86 http://172.17.0.1/private buster-staging/main armhf libxcb-render0 armhf 1.12-1 [104 kB]
Get:87 http://172.17.0.1/private buster-staging/main armhf libxcb-shm0 armhf 1.12-1 [95.9 kB]
Get:88 http://172.17.0.1/private buster-staging/main armhf libxext6 armhf 2:1.3.3-1+b2 [47.8 kB]
Get:89 http://172.17.0.1/private buster-staging/main armhf libxrender1 armhf 1:0.9.10-1 [29.9 kB]
Get:90 http://172.17.0.1/private buster-staging/main armhf libcairo2 armhf 1.14.10-1 [692 kB]
Get:91 http://172.17.0.1/private buster-staging/main armhf libgraphite2-3 armhf 1.3.10-2 [71.8 kB]
Get:92 http://172.17.0.1/private buster-staging/main armhf libavahi-common-data armhf 0.6.32-2 [118 kB]
Get:93 http://172.17.0.1/private buster-staging/main armhf libavahi-common3 armhf 0.6.32-2 [48.6 kB]
Get:94 http://172.17.0.1/private buster-staging/main armhf libavahi-client3 armhf 0.6.32-2 [51.3 kB]
Get:95 http://172.17.0.1/private buster-staging/main armhf libcups2 armhf 2.2.4-5 [279 kB]
Get:96 http://172.17.0.1/private buster-staging/main armhf libcupsimage2 armhf 2.2.4-5 [123 kB]
Get:97 http://172.17.0.1/private buster-staging/main armhf libijs-0.35 armhf 0.35-12 [16.0 kB]
Get:98 http://172.17.0.1/private buster-staging/main armhf libjbig2dec0 armhf 0.13-4.1 [52.6 kB]
Get:99 http://172.17.0.1/private buster-staging/main armhf libjpeg62-turbo armhf 1:1.5.2-2 [110 kB]
Get:100 http://172.17.0.1/private buster-staging/main armhf liblcms2-2 armhf 2.8-4 [118 kB]
Get:101 http://172.17.0.1/private buster-staging/main armhf libopenjp2-7 armhf 2.1.2-1.3 [108 kB]
Get:102 http://172.17.0.1/private buster-staging/main armhf libjbig0 armhf 2.1-3.1+b2 [27.6 kB]
Get:103 http://172.17.0.1/private buster-staging/main armhf libtiff5 armhf 4.0.8-5 [218 kB]
Get:104 http://172.17.0.1/private buster-staging/main armhf libgs9-common all 9.21~dfsg-1 [5164 kB]
Get:105 http://172.17.0.1/private buster-staging/main armhf libgs9 armhf 9.21~dfsg-1 [1807 kB]
Get:106 http://172.17.0.1/private buster-staging/main armhf libglib2.0-0 armhf 2.53.6-1 [2644 kB]
Get:107 http://172.17.0.1/private buster-staging/main armhf libharfbuzz0b armhf 1.4.2-1 [640 kB]
Get:108 http://172.17.0.1/private buster-staging/main armhf libharfbuzz-icu0 armhf 1.4.2-1 [465 kB]
Get:109 http://172.17.0.1/private buster-staging/main armhf x11-common all 1:7.7+19 [251 kB]
Get:110 http://172.17.0.1/private buster-staging/main armhf libice6 armhf 2:1.0.9-2 [51.6 kB]
Get:111 http://172.17.0.1/private buster-staging/main armhf libnspr4 armhf 2:4.16-1 [95.5 kB]
Get:112 http://172.17.0.1/private buster-staging/main armhf libnss3 armhf 2:3.32-2 [936 kB]
Get:113 http://172.17.0.1/private buster-staging/main armhf libpoppler68 armhf 0.57.0-2 [1175 kB]
Get:114 http://172.17.0.1/private buster-staging/main armhf libpotrace0 armhf 1.14-2 [23.1 kB]
Get:115 http://172.17.0.1/private buster-staging/main armhf libsm6 armhf 2:1.2.2-1+b3 [31.2 kB]
Get:116 http://172.17.0.1/private buster-staging/main armhf libxt6 armhf 1:1.1.5-1 [155 kB]
Get:117 http://172.17.0.1/private buster-staging/main armhf libxmu6 armhf 2:1.1.2-2 [52.0 kB]
Get:118 http://172.17.0.1/private buster-staging/main armhf libxpm4 armhf 1:3.5.12-1 [43.6 kB]
Get:119 http://172.17.0.1/private buster-staging/main armhf libxaw7 armhf 2:1.0.13-1 [164 kB]
Get:120 http://172.17.0.1/private buster-staging/main armhf libxi6 armhf 2:1.7.9-1 [77.8 kB]
Get:121 http://172.17.0.1/private buster-staging/main armhf libzzip-0-13 armhf 0.13.62-3.1 [51.5 kB]
Get:122 http://172.17.0.1/private buster-staging/main armhf texlive-binaries armhf 2017.20170613.44572-5+b1 [5797 kB]
Get:123 http://172.17.0.1/private buster-staging/main armhf xdg-utils all 1.1.1-1 [71.1 kB]
Get:124 http://172.17.0.1/private buster-staging/main armhf texlive-base all 2017.20170818-1 [18.7 MB]
Get:125 http://172.17.0.1/private buster-staging/main armhf fonts-lmodern all 2.004.5-3 [4540 kB]
Get:126 http://172.17.0.1/private buster-staging/main armhf texlive-latex-base all 2017.20170818-1 [975 kB]
Get:127 http://172.17.0.1/private buster-staging/main armhf texlive-latex-recommended all 2017.20170818-1 [14.8 MB]
Get:128 http://172.17.0.1/private buster-staging/main armhf cm-super-minimal all 0.3.4-11 [5814 kB]
Get:129 http://172.17.0.1/private buster-staging/main armhf libtool all 2.4.6-2 [545 kB]
Get:130 http://172.17.0.1/private buster-staging/main armhf dh-autoreconf all 14 [15.9 kB]
Get:131 http://172.17.0.1/private buster-staging/main armhf libarchive-zip-perl all 1.59-1 [95.5 kB]
Get:132 http://172.17.0.1/private buster-staging/main armhf libfile-stripnondeterminism-perl all 0.038-1 [17.6 kB]
Get:133 http://172.17.0.1/private buster-staging/main armhf libtimedate-perl all 2.3000-2 [42.2 kB]
Get:134 http://172.17.0.1/private buster-staging/main armhf dh-strip-nondeterminism all 0.038-1 [11.1 kB]
Get:135 http://172.17.0.1/private buster-staging/main armhf libcroco3 armhf 0.6.12-1 [132 kB]
Get:136 http://172.17.0.1/private buster-staging/main armhf gettext armhf 0.19.8.1-4 [1218 kB]
Get:137 http://172.17.0.1/private buster-staging/main armhf intltool-debian all 0.35.0+20060710.4 [26.3 kB]
Get:138 http://172.17.0.1/private buster-staging/main armhf po-debconf all 1.0.20 [247 kB]
Get:139 http://172.17.0.1/private buster-staging/main armhf debhelper all 10.7.2 [975 kB]
Get:140 http://172.17.0.1/private buster-staging/main armhf libllvm5.0 armhf 1:5.0~+rc2-1+rpi1 [11.7 MB]
Get:141 http://172.17.0.1/private buster-staging/main armhf libclang1-5.0 armhf 1:5.0~+rc2-1+rpi1 [5529 kB]
Get:142 http://172.17.0.1/private buster-staging/main armhf libxapian30 armhf 1.4.4-3 [939 kB]
Get:143 http://172.17.0.1/private buster-staging/main armhf doxygen armhf 1.8.13-9 [3258 kB]
Get:144 http://172.17.0.1/private buster-staging/main armhf libthai-data all 0.1.26-3 [166 kB]
Get:145 http://172.17.0.1/private buster-staging/main armhf libdatrie1 armhf 0.2.10-5 [33.0 kB]
Get:146 http://172.17.0.1/private buster-staging/main armhf libthai0 armhf 0.1.26-3 [49.6 kB]
Get:147 http://172.17.0.1/private buster-staging/main armhf libsombok3 armhf 2.4.0-1 [27.0 kB]
Get:148 http://172.17.0.1/private buster-staging/main armhf libmime-charset-perl all 1.012-2 [35.2 kB]
Get:149 http://172.17.0.1/private buster-staging/main armhf libunicode-linebreak-perl armhf 0.0.20160702-1+b2 [98.7 kB]
Get:150 http://172.17.0.1/private buster-staging/main armhf texlive-extra-utils all 2017.20170818-1 [20.6 MB]
Get:151 http://172.17.0.1/private buster-staging/main armhf preview-latex-style all 11.91-1 [201 kB]
Get:152 http://172.17.0.1/private buster-staging/main armhf texlive-pictures all 2017.20170818-1 [4008 kB]
Get:153 http://172.17.0.1/private buster-staging/main armhf texlive-latex-extra all 2017.20170818-1 [10.5 MB]
Get:154 http://172.17.0.1/private buster-staging/main armhf texlive-font-utils all 2017.20170818-1 [1738 kB]
Get:155 http://172.17.0.1/private buster-staging/main armhf ghostscript armhf 9.21~dfsg-1 [97.0 kB]
Get:156 http://172.17.0.1/private buster-staging/main armhf texlive-fonts-recommended all 2017.20170818-1 [5310 kB]
Get:157 http://172.17.0.1/private buster-staging/main armhf doxygen-latex all 1.8.13-9 [113 kB]
Get:158 http://172.17.0.1/private buster-staging/main armhf libgfortran4 armhf 7.2.0-3 [186 kB]
Get:159 http://172.17.0.1/private buster-staging/main armhf libgfortran-7-dev armhf 7.2.0-3 [226 kB]
Get:160 http://172.17.0.1/private buster-staging/main armhf gfortran-7 armhf 7.2.0-3 [29.6 MB]
Get:161 http://172.17.0.1/private buster-staging/main armhf gfortran armhf 4:7.1.0-2 [1352 B]
Get:162 http://172.17.0.1/private buster-staging/main armhf libann0 armhf 1.1.2+doc-6 [22.2 kB]
Get:163 http://172.17.0.1/private buster-staging/main armhf libcdt5 armhf 2.38.0-17+b1 [57.2 kB]
Get:164 http://172.17.0.1/private buster-staging/main armhf libcgraph6 armhf 2.38.0-17+b1 [76.0 kB]
Get:165 http://172.17.0.1/private buster-staging/main armhf libwebp6 armhf 0.6.0-3 [217 kB]
Get:166 http://172.17.0.1/private buster-staging/main armhf libgd3 armhf 2.2.4-2+deb9u2 [113 kB]
Get:167 http://172.17.0.1/private buster-staging/main armhf libgts-0.7-5 armhf 0.7.6+darcs121130-4 [134 kB]
Get:168 http://172.17.0.1/private buster-staging/main armhf libltdl7 armhf 2.4.6-2 [386 kB]
Get:169 http://172.17.0.1/private buster-staging/main armhf libpango-1.0-0 armhf 1.40.11-1 [177 kB]
Get:170 http://172.17.0.1/private buster-staging/main armhf libpangoft2-1.0-0 armhf 1.40.11-1 [70.8 kB]
Get:171 http://172.17.0.1/private buster-staging/main armhf libpangocairo-1.0-0 armhf 1.40.11-1 [59.9 kB]
Get:172 http://172.17.0.1/private buster-staging/main armhf libpathplan4 armhf 2.38.0-17+b1 [60.5 kB]
Get:173 http://172.17.0.1/private buster-staging/main armhf libxdot4 armhf 2.38.0-17+b1 [54.7 kB]
Get:174 http://172.17.0.1/private buster-staging/main armhf libgvc6 armhf 2.38.0-17+b1 [536 kB]
Get:175 http://172.17.0.1/private buster-staging/main armhf libgvpr2 armhf 2.38.0-17+b1 [186 kB]
Get:176 http://172.17.0.1/private buster-staging/main armhf graphviz armhf 2.38.0-17+b1 [695 kB]
Get:177 http://172.17.0.1/private buster-staging/main armhf hdf5-helpers armhf 1.10.0-patch1+docs-4 [36.0 kB]
Get:178 http://172.17.0.1/private buster-staging/main armhf icu-devtools armhf 57.1-6 [156 kB]
Get:179 http://172.17.0.1/private buster-staging/main armhf libaec0 armhf 0.3.2-2 [19.3 kB]
Get:180 http://172.17.0.1/private buster-staging/main armhf libgfortran3 armhf 6.4.0-4+rpi1 [166 kB]
Get:181 http://172.17.0.1/private buster-staging/main armhf libblas-common armhf 3.7.1-1 [14.6 kB]
Get:182 http://172.17.0.1/private buster-staging/main armhf libblas3 armhf 3.7.1-1 [108 kB]
Get:183 http://172.17.0.1/private buster-staging/main armhf liblapack3 armhf 3.7.1-1 [1503 kB]
Get:184 http://172.17.0.1/private buster-staging/main armhf libarpack2 armhf 3.5.0-1 [78.7 kB]
Get:185 http://172.17.0.1/private buster-staging/main armhf libsuperlu5 armhf 5.2.1+dfsg1-2 [126 kB]
Get:186 http://172.17.0.1/private buster-staging/main armhf libarmadillo7 armhf 1:7.960.1+dfsg-1 [79.7 kB]
Get:187 http://172.17.0.1/private buster-staging/main armhf libblas-dev armhf 3.7.1-1 [118 kB]
Get:188 http://172.17.0.1/private buster-staging/main armhf liblapack-dev armhf 3.7.1-1 [1561 kB]
Get:189 http://172.17.0.1/private buster-staging/main armhf libarpack2-dev armhf 3.5.0-1 [90.3 kB]
Get:190 http://172.17.0.1/private buster-staging/main armhf libsz2 armhf 0.3.2-2 [6080 B]
Get:191 http://172.17.0.1/private buster-staging/main armhf libhdf5-100 armhf 1.10.0-patch1+docs-4 [1220 kB]
Get:192 http://172.17.0.1/private buster-staging/main armhf zlib1g-dev armhf 1:1.2.8.dfsg-5 [198 kB]
Get:193 http://172.17.0.1/private buster-staging/main armhf libjpeg62-turbo-dev armhf 1:1.5.2-2 [178 kB]
Get:194 http://172.17.0.1/private buster-staging/main armhf libjpeg-dev all 1:1.5.2-2 [57.5 kB]
Get:195 http://172.17.0.1/private buster-staging/main armhf libaec-dev armhf 0.3.2-2 [17.3 kB]
Get:196 http://172.17.0.1/private buster-staging/main armhf libhdf5-cpp-100 armhf 1.10.0-patch1+docs-4 [118 kB]
Get:197 http://172.17.0.1/private buster-staging/main armhf libhdf5-dev armhf 1.10.0-patch1+docs-4 [2109 kB]
Get:198 http://172.17.0.1/private buster-staging/main armhf libsuperlu-dev armhf 5.2.1+dfsg1-2 [18.0 kB]
Get:199 http://172.17.0.1/private buster-staging/main armhf libarmadillo-dev armhf 1:7.960.1+dfsg-1 [329 kB]
Get:200 http://172.17.0.1/private buster-staging/main armhf libboost-system1.62.0 armhf 1.62.0+dfsg-4 [32.1 kB]
Get:201 http://172.17.0.1/private buster-staging/main armhf libboost-chrono1.62.0 armhf 1.62.0+dfsg-4 [35.7 kB]
Get:202 http://172.17.0.1/private buster-staging/main armhf libboost1.62-dev armhf 1.62.0+dfsg-4 [7009 kB]
Get:203 http://172.17.0.1/private buster-staging/main armhf libboost-math1.62.0 armhf 1.62.0+dfsg-4 [129 kB]
Get:204 http://172.17.0.1/private buster-staging/main armhf libboost-math1.62-dev armhf 1.62.0+dfsg-4 [250 kB]
Get:205 http://172.17.0.1/private buster-staging/main armhf libboost-math-dev armhf 1.62.0.1+b6 [3898 B]
Get:206 http://172.17.0.1/private buster-staging/main armhf libboost-program-options1.62.0 armhf 1.62.0+dfsg-4 [136 kB]
Get:207 http://172.17.0.1/private buster-staging/main armhf libboost-program-options1.62-dev armhf 1.62.0+dfsg-4 [178 kB]
Get:208 http://172.17.0.1/private buster-staging/main armhf libboost-program-options-dev armhf 1.62.0.1+b6 [3712 B]
Get:209 http://172.17.0.1/private buster-staging/main armhf libboost-random1.62.0 armhf 1.62.0+dfsg-4 [34.8 kB]
Get:210 http://172.17.0.1/private buster-staging/main armhf libboost-random1.62-dev armhf 1.62.0+dfsg-4 [34.7 kB]
Get:211 http://172.17.0.1/private buster-staging/main armhf libboost-random-dev armhf 1.62.0.1+b6 [3702 B]
Get:212 http://172.17.0.1/private buster-staging/main armhf libboost-serialization1.62.0 armhf 1.62.0+dfsg-4 [105 kB]
Get:213 http://172.17.0.1/private buster-staging/main armhf libboost-serialization1.62-dev armhf 1.62.0+dfsg-4 [170 kB]
Get:214 http://172.17.0.1/private buster-staging/main armhf libboost-serialization-dev armhf 1.62.0.1+b6 [3924 B]
Get:215 http://172.17.0.1/private buster-staging/main armhf libboost-timer1.62.0 armhf 1.62.0+dfsg-4 [34.2 kB]
Get:216 http://172.17.0.1/private buster-staging/main armhf libboost-test1.62.0 armhf 1.62.0+dfsg-4 [223 kB]
Get:217 http://172.17.0.1/private buster-staging/main armhf libboost-test1.62-dev armhf 1.62.0+dfsg-4 [287 kB]
Get:218 http://172.17.0.1/private buster-staging/main armhf libboost-test-dev armhf 1.62.0.1+b6 [3732 B]
Get:219 http://172.17.0.1/private buster-staging/main armhf libicu-dev armhf 57.1-6 [15.8 MB]
Get:220 http://172.17.0.1/private buster-staging/main armhf libxml2-dev armhf 2.9.4+dfsg1-3.1 [677 kB]
Get:221 http://172.17.0.1/private buster-staging/main armhf pkg-config armhf 0.29-4 [59.2 kB]
Get:222 http://172.17.0.1/private buster-staging/main armhf txt2man all 1.6.0-1 [31.6 kB]
Get:223 http://172.17.0.1/private buster-staging/main armhf dh-exec armhf 0.23 [24.9 kB]
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Setting up libcilkrts5:armhf (7.2.0-3) ...
Setting up libuv1:armhf (1.9.1-3) ...
Setting up libblas-common (3.7.1-1) ...
Setting up libpsl5:armhf (0.18.0-2) ...
Setting up libubsan0:armhf (7.2.0-3) ...
Setting up groff-base (1.22.3-9) ...
Setting up libglib2.0-0:armhf (2.53.6-1) ...
No schema files found: doing nothing.
Setting up gcc-6-base:armhf (6.4.0-4+rpi1) ...
Setting up libdatrie1:armhf (0.2.10-5) ...
Setting up libtiff5:armhf (4.0.8-5) ...
Setting up gettext-base (0.19.8.1-4) ...
Setting up cmake-data (3.9.0-1) ...
Setting up libpipeline1:armhf (1.4.2-1) ...
Setting up librtmp1:armhf (2.4+20151223.gitfa8646d.1-1) ...
Setting up m4 (1.4.18-1) ...
Setting up gawk (1:4.1.4+dfsg-1) ...
Setting up libicu57:armhf (57.1-6) ...
Setting up libbsd0:armhf (0.8.6-2) ...
Setting up libnspr4:armhf (2:4.16-1) ...
Setting up ucf (3.0036) ...
Setting up libxml2:armhf (2.9.4+dfsg1-3.1) ...
Setting up libgcc-7-dev:armhf (7.2.0-3) ...
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Setting up libfreetype6:armhf (2.8-0.2) ...
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Setting up libgraphite2-3:armhf (1.3.10-2) ...
Setting up librhash0 (1.3.4-3) ...
Setting up libcroco3:armhf (0.6.12-1) ...
Setting up libstdc++-7-dev:armhf (7.2.0-3) ...
Setting up libssl1.0.2:armhf (1.0.2l-2) ...
Setting up pkg-config (0.29-4) ...
Setting up libjbig2dec0:armhf (0.13-4.1) ...
Setting up libpixman-1-0:armhf (0.34.0-1) ...
Setting up libmime-charset-perl (1.012-2) ...
Setting up libssh2-1:armhf (1.8.0-1) ...
Processing triggers for libc-bin (2.24-14) ...
Setting up autotools-dev (20161112.1) ...
Setting up t1utils (1.40-2) ...
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Setting up libltdl7:armhf (2.4.6-2) ...
Setting up libgfortran-7-dev:armhf (7.2.0-3) ...
Setting up libijs-0.35:armhf (0.35-12) ...
Setting up libann0 (1.1.2+doc-6) ...
Setting up libboost-math1.62.0:armhf (1.62.0+dfsg-4) ...
Setting up libpotrace0 (1.14-2) ...
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Setting up libxdmcp6:armhf (1:1.1.2-3) ...
Setting up libkeyutils1:armhf (1.5.9-9) ...
Setting up bsdmainutils (9.0.12+nmu1) ...
update-alternatives: using /usr/bin/bsd-write to provide /usr/bin/write (write) in auto mode
update-alternatives: using /usr/bin/bsd-from to provide /usr/bin/from (from) in auto mode
Setting up libzzip-0-13:armhf (0.13.62-3.1) ...
Setting up x11-common (1:7.7+19) ...
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
invoke-rc.d: could not determine current runlevel
All runlevel operations denied by policy
invoke-rc.d: policy-rc.d denied execution of start.
Setting up xdg-utils (1.1.1-1) ...
Setting up hdf5-helpers (1.10.0-patch1+docs-4) ...
Setting up libtexluajit2:armhf (2017.20170613.44572-5+b1) ...
Setting up libcdt5 (2.38.0-17+b1) ...
Setting up libx11-data (2:1.6.4-3) ...
Setting up libpython2.7-stdlib:armhf (2.7.13-2) ...
Setting up libxau6:armhf (1:1.0.8-1+b2) ...
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Setting up libboost-system1.62.0:armhf (1.62.0+dfsg-4) ...
Setting up liblzo2-2:armhf (2.08-1.2) ...
Setting up fonts-lmodern (2.004.5-3) ...
Setting up libavahi-common-data:armhf (0.6.32-2) ...
Setting up libcgraph6 (2.38.0-17+b1) ...
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Setting up libwebp6:armhf (0.6.0-3) ...
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Setting up libfile-stripnondeterminism-perl (0.038-1) ...
Setting up libjsoncpp1:armhf (1.7.4-3) ...
Setting up libedit2:armhf (3.1-20170329-1) ...
Setting up libpaper1:armhf (1.1.24+nmu5) ...
Creating config file /etc/papersize with new version
Setting up libgts-0.7-5:armhf (0.7.6+darcs121130-4) ...
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update-language: texlive-base not installed and configured, doing nothing!
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Setting up libgvpr2 (2.38.0-17+b1) ...
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Setting up libaec-dev:armhf (0.3.2-2) ...
Setting up python2.7 (2.7.13-2) ...
Setting up libnss3:armhf (2:3.32-2) ...
Setting up libllvm5.0:armhf (1:5.0~+rc2-1+rpi1) ...
Setting up libharfbuzz0b:armhf (1.4.2-1) ...
Setting up preview-latex-style (11.91-1) ...
Setting up autoconf (2.69-11) ...
Setting up libthai0:armhf (0.1.26-3) ...
Setting up libicu-dev (57.1-6) ...
Setting up file (1:5.32-1) ...
Setting up libkrb5support0:armhf (1.15.1-2) ...
Setting up libboost-serialization1.62-dev:armhf (1.62.0+dfsg-4) ...
Setting up libclang1-5.0:armhf (1:5.0~+rc2-1+rpi1) ...
Setting up libxml2-dev:armhf (2.9.4+dfsg1-3.1) ...
Setting up libpython-stdlib:armhf (2.7.13-2) ...
Setting up intltool-debian (0.35.0+20060710.4) ...
Setting up libblas3 (3.7.1-1) ...
update-alternatives: using /usr/lib/libblas/libblas.so.3 to provide /usr/lib/libblas.so.3 (libblas.so.3) in auto mode
Setting up libjpeg-dev (1:1.5.2-2) ...
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update-alternatives: using /usr/bin/automake-1.15 to provide /usr/bin/automake (automake) in auto mode
Setting up libice6:armhf (2:1.0.9-2) ...
Setting up man-db (2.7.6.1-2) ...
Not building database; man-db/auto-update is not 'true'.
Setting up gfortran-7 (7.2.0-3) ...
Setting up libavahi-common3:armhf (0.6.32-2) ...
Setting up libboost-math-dev:armhf (1.62.0.1+b6) ...
Setting up libxcb1:armhf (1.12-1) ...
Setting up python (2.7.13-2) ...
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Setting up libsombok3:armhf (2.4.0-1) ...
Setting up libboost-random1.62-dev:armhf (1.62.0+dfsg-4) ...
Setting up libboost-program-options-dev:armhf (1.62.0.1+b6) ...
Setting up libtool (2.4.6-2) ...
Setting up gfortran (4:7.1.0-2) ...
update-alternatives: using /usr/bin/gfortran to provide /usr/bin/f95 (f95) in auto mode
update-alternatives: using /usr/bin/gfortran to provide /usr/bin/f77 (f77) in auto mode
Setting up libboost-serialization-dev:armhf (1.62.0.1+b6) ...
Setting up libfontconfig1:armhf (2.12.3-0.2) ...
Setting up libsm6:armhf (2:1.2.2-1+b3) ...
Setting up libk5crypto3:armhf (1.15.1-2) ...
Setting up libhdf5-cpp-100:armhf (1.10.0-patch1+docs-4) ...
Setting up libxcb-render0:armhf (1.12-1) ...
Setting up libharfbuzz-icu0:armhf (1.4.2-1) ...
Setting up libboost-timer1.62.0:armhf (1.62.0+dfsg-4) ...
Setting up po-debconf (1.0.20) ...
Setting up libblas-dev (3.7.1-1) ...
update-alternatives: using /usr/lib/libblas/libblas.so to provide /usr/lib/libblas.so (libblas.so) in auto mode
Setting up liblapack3 (3.7.1-1) ...
update-alternatives: using /usr/lib/lapack/liblapack.so.3 to provide /usr/lib/liblapack.so.3 (liblapack.so.3) in auto mode
Setting up libx11-6:armhf (2:1.6.4-3) ...
Setting up doxygen (1.8.13-9) ...
Setting up libhdf5-dev (1.10.0-patch1+docs-4) ...
update-alternatives: using /usr/lib/arm-linux-gnueabihf/pkgconfig/hdf5-serial.pc to provide /usr/lib/arm-linux-gnueabihf/pkgconfig/hdf5.pc (hdf5.pc) in auto mode
Setting up libsuperlu5:armhf (5.2.1+dfsg1-2) ...
Setting up libboost-random-dev:armhf (1.62.0.1+b6) ...
Setting up libsuperlu-dev:armhf (5.2.1+dfsg1-2) ...
Setting up libboost-test1.62.0:armhf (1.62.0+dfsg-4) ...
Setting up libunicode-linebreak-perl (0.0.20160702-1+b2) ...
Setting up libxcb-shm0:armhf (1.12-1) ...
Setting up libxpm4:armhf (1:3.5.12-1) ...
Setting up libxt6:armhf (1:1.1.5-1) ...
Setting up libxrender1:armhf (1:0.9.10-1) ...
Setting up libarpack2 (3.5.0-1) ...
Setting up libavahi-client3:armhf (0.6.32-2) ...
Setting up libkrb5-3:armhf (1.15.1-2) ...
Setting up libpoppler68:armhf (0.57.0-2) ...
Setting up fontconfig (2.12.3-0.2) ...
Regenerating fonts cache... done.
Setting up liblapack-dev (3.7.1-1) ...
update-alternatives: using /usr/lib/lapack/liblapack.so to provide /usr/lib/liblapack.so (liblapack.so) in auto mode
Setting up libxext6:armhf (2:1.3.3-1+b2) ...
Setting up libgd3:armhf (2.2.4-2+deb9u2) ...
Setting up libarmadillo7 (1:7.960.1+dfsg-1) ...
Setting up libboost-test1.62-dev:armhf (1.62.0+dfsg-4) ...
Setting up libxmu6:armhf (2:1.1.2-2) ...
Setting up libgssapi-krb5-2:armhf (1.15.1-2) ...
Setting up libpango-1.0-0:armhf (1.40.11-1) ...
Setting up libarpack2-dev (3.5.0-1) ...
Setting up libboost-test-dev:armhf (1.62.0.1+b6) ...
Setting up libcups2:armhf (2.2.4-5) ...
Setting up libarmadillo-dev (1:7.960.1+dfsg-1) ...
Setting up libxi6:armhf (2:1.7.9-1) ...
Setting up libxaw7:armhf (2:1.0.13-1) ...
Setting up libcairo2:armhf (1.14.10-1) ...
Setting up libcurl3:armhf (7.55.1-1) ...
Setting up libpangoft2-1.0-0:armhf (1.40.11-1) ...
Setting up libcupsimage2:armhf (2.2.4-5) ...
Setting up cmake (3.9.0-1) ...
Setting up libgs9:armhf (9.21~dfsg-1) ...
Setting up libpangocairo-1.0-0:armhf (1.40.11-1) ...
Setting up ghostscript (9.21~dfsg-1) ...
Setting up texlive-binaries (2017.20170613.44572-5+b1) ...
update-alternatives: using /usr/bin/xdvi-xaw to provide /usr/bin/xdvi.bin (xdvi.bin) in auto mode
update-alternatives: using /usr/bin/bibtex.original to provide /usr/bin/bibtex (bibtex) in auto mode
Setting up texlive-base (2017.20170818-1) ...
/usr/bin/tl-paper: setting paper size for dvips to a4.
/usr/bin/tl-paper: setting paper size for dvipdfmx to a4.
/usr/bin/tl-paper: setting paper size for xdvi to a4.
/usr/bin/tl-paper: setting paper size for pdftex to a4.
Setting up texlive-fonts-recommended (2017.20170818-1) ...
Setting up texlive-latex-base (2017.20170818-1) ...
Setting up texlive-latex-recommended (2017.20170818-1) ...
Setting up texlive-extra-utils (2017.20170818-1) ...
Setting up libgvc6 (2.38.0-17+b1) ...
Setting up texlive-pictures (2017.20170818-1) ...
Setting up texlive-font-utils (2017.20170818-1) ...
Setting up cm-super-minimal (0.3.4-11) ...
Setting up graphviz (2.38.0-17+b1) ...
Setting up texlive-latex-extra (2017.20170818-1) ...
Setting up doxygen-latex (1.8.13-9) ...
Setting up dh-autoreconf (14) ...
Setting up dh-strip-nondeterminism (0.038-1) ...
Setting up debhelper (10.7.2) ...
Setting up dh-exec (0.23) ...
Setting up sbuild-build-depends-mlpack-dummy (0.invalid.0) ...
Processing triggers for libc-bin (2.24-14) ...
Processing triggers for systemd (234-2.3) ...
Processing triggers for tex-common (6.09) ...
Running updmap-sys. This may take some time... done.
Running mktexlsr /var/lib/texmf ... done.
Building format(s) --all.
This may take some time... done.
W: No sandbox user '_apt' on the system, can not drop privileges
+------------------------------------------------------------------------------+
| Build environment |
+------------------------------------------------------------------------------+
Kernel: Linux 4.9.0-0.bpo.2-armmp armhf (armv7l)
Toolchain package versions: binutils_2.29-4+rpi1 dpkg-dev_1.18.24 g++-7_7.2.0-3 gcc-7_7.2.0-3 libc6-dev_2.24-14 libstdc++-7-dev_7.2.0-3 libstdc++6_7.2.0-3 linux-libc-dev_3.18.5-1~exp1+rpi19+stretch
Package versions: adduser_3.116 apt_1.5~rc1 autoconf_2.69-11 automake_1:1.15.1-2.1 autopoint_0.19.8.1-4 autotools-dev_20161112.1 base-files_10+rpi1 base-passwd_3.5.43 bash_4.4-5 binutils_2.29-4+rpi1 bsdmainutils_9.0.12+nmu1 bsdutils_1:2.29.2-2+rpi1 build-essential_12.3 bzip2_1.0.6-8.1 ca-certificates_20170717 chrpath_0.16-2 cm-super-minimal_0.3.4-11 cmake_3.9.0-1 cmake-data_3.9.0-1 coreutils_8.26-3 cpio_2.11+dfsg-6 cpp_4:7.1.0-2 cpp-7_7.2.0-3 dash_0.5.8-2.5 debconf_1.5.63 debhelper_10.7.2 debianutils_4.8.2 dh-autoreconf_14 dh-exec_0.23 dh-strip-nondeterminism_0.038-1 diffutils_1:3.6-1 dirmngr_2.1.23-2 dmsetup_2:1.02.142-1 doxygen_1.8.13-9 doxygen-latex_1.8.13-9 dpkg_1.18.24 dpkg-dev_1.18.24 e2fslibs_1.43.6-1 e2fsprogs_1.43.6-1 fakeroot_1.22-1 file_1:5.32-1 findutils_4.6.0+git+20170729-2 fontconfig_2.12.3-0.2 fontconfig-config_2.12.3-0.2 fonts-dejavu-core_2.37-1 fonts-lmodern_2.004.5-3 g++_4:7.1.0-2 g++-7_7.2.0-3 gawk_1:4.1.4+dfsg-1 gcc_4:7.1.0-2 gcc-4.6-base_4.6.4-5+rpi1 gcc-4.7-base_4.7.3-11+rpi1 gcc-4.8-base_4.8.5-4 gcc-4.9-base_4.9.3-14 gcc-5-base_5.4.1-4 gcc-6-base_6.4.0-4+rpi1 gcc-7_7.2.0-3 gcc-7-base_7.2.0-3 gettext_0.19.8.1-4 gettext-base_0.19.8.1-4 gfortran_4:7.1.0-2 gfortran-7_7.2.0-3 ghostscript_9.21~dfsg-1 gnupg_2.1.23-2 gnupg-agent_2.1.23-2 gnupg-l10n_2.1.23-2 gnupg-utils_2.1.23-2 gpg_2.1.23-2 gpg-agent_2.1.23-2 gpg-wks-client_2.1.23-2 gpg-wks-server_2.1.23-2 gpgconf_2.1.23-2 gpgsm_2.1.23-2 gpgv_2.1.23-2 graphviz_2.38.0-17+b1 grep_3.1-2 groff-base_1.22.3-9 gzip_1.6-5 hdf5-helpers_1.10.0-patch1+docs-4 hostname_3.18 icu-devtools_57.1-6 init-system-helpers_1.49 initramfs-tools_0.130 initramfs-tools-core_0.130 intltool-debian_0.35.0+20060710.4 klibc-utils_2.0.4-9+rpi1 kmod_24-1 libacl1_2.2.52-3 libaec-dev_0.3.2-2 libaec0_0.3.2-2 libann0_1.1.2+doc-6 libapparmor1_2.11.0-10 libapt-pkg5.0_1.5~rc1 libarchive-zip-perl_1.59-1 libarchive13_3.2.2-2 libarmadillo-dev_1:7.960.1+dfsg-1 libarmadillo7_1:7.960.1+dfsg-1 libarpack2_3.5.0-1 libarpack2-dev_3.5.0-1 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libbsd0_0.8.6-2 libbz2-1.0_1.0.6-8.1 libc-bin_2.24-14 libc-dev-bin_2.24-14 libc6_2.24-14 libc6-dev_2.24-14 libcairo2_1.14.10-1 libcap-ng0_0.7.7-3 libcap2_1:2.25-1 libcc1-0_7.2.0-3 libcdt5_2.38.0-17+b1 libcgraph6_2.38.0-17+b1 libcilkrts5_7.2.0-3 libclang1-5.0_1:5.0~+rc2-1+rpi1 libcomerr2_1.43.6-1 libcroco3_0.6.12-1 libcryptsetup4_2:1.7.3-4 libcups2_2.2.4-5 libcupsimage2_2.2.4-5 libcurl3_7.55.1-1 libdatrie1_0.2.10-5 libdb5.3_5.3.28-13+rpi1 libdbus-1-3_1.11.16+really1.10.22-1 libdebconfclient0_0.229 libdevmapper1.02.1_2:1.02.142-1 libdpkg-perl_1.18.24 libdrm-common_2.4.82-1+rpi1 libdrm2_2.4.82-1+rpi1 libedit2_3.1-20170329-1 libexpat1_2.2.3-1 libfakeroot_1.22-1 libfdisk1_2.29.2-2+rpi1 libffi6_3.2.1-6 libfile-stripnondeterminism-perl_0.038-1 libfontconfig1_2.12.3-0.2 libfreetype6_2.8-0.2 libgcc-7-dev_7.2.0-3 libgcc1_1:7.2.0-3 libgcrypt20_1.7.9-1 libgd3_2.2.4-2+deb9u2 libgdbm3_1.8.3-14 libgfortran-7-dev_7.2.0-3 libgfortran3_6.4.0-4+rpi1 libgfortran4_7.2.0-3 libglib2.0-0_2.53.6-1 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zlib1g_1:1.2.8.dfsg-5 zlib1g-dev_1:1.2.8.dfsg-5
+------------------------------------------------------------------------------+
| Build |
+------------------------------------------------------------------------------+
Unpack source
-------------
gpgv: unknown type of key resource 'trustedkeys.kbx'
gpgv: keyblock resource '/sbuild-nonexistent/.gnupg/trustedkeys.kbx': General error
gpgv: Signature made Thu Aug 31 13:04:49 2017 UTC
gpgv: using RSA key 64F429E36EA11CC2D966546F125B57475E190D18
gpgv: Can't check signature: No public key
dpkg-source: warning: failed to verify signature on ./mlpack_2.2.5-1.dsc
dpkg-source: info: extracting mlpack in /<<PKGBUILDDIR>>
dpkg-source: info: unpacking mlpack_2.2.5.orig.tar.gz
dpkg-source: info: unpacking mlpack_2.2.5-1.debian.tar.xz
dpkg-source: info: applying 0001-build-Doxygen.patch
dpkg-source: info: applying 0002-Doxygen-timestamp.patch
Check disc space
----------------
Sufficient free space for build
User Environment
----------------
APT_CONFIG=/var/lib/sbuild/apt.conf
DEB_BUILD_OPTIONS=parallel=4
HOME=/sbuild-nonexistent
LC_ALL=POSIX
LOGNAME=buildd
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
SCHROOT_ALIAS_NAME=buster-staging-armhf-sbuild
SCHROOT_CHROOT_NAME=buster-staging-armhf-sbuild
SCHROOT_COMMAND=env
SCHROOT_GID=109
SCHROOT_GROUP=buildd
SCHROOT_SESSION_ID=buster-staging-armhf-sbuild-69d54a24-b1a9-4dfc-a5fc-3e0409823a15
SCHROOT_UID=104
SCHROOT_USER=buildd
SHELL=/bin/sh
TERM=linux
USER=buildd
dpkg-buildpackage
-----------------
dpkg-buildpackage: info: source package mlpack
dpkg-buildpackage: info: source version 2.2.5-1
dpkg-buildpackage: info: source distribution unstable
dpkg-source --before-build mlpack-2.2.5
dpkg-buildpackage: info: host architecture armhf
fakeroot debian/rules clean
dh clean --max-parallel=2
dh_auto_clean -O--max-parallel=2
dh_autoreconf_clean -O--max-parallel=2
dh_clean -O--max-parallel=2
debian/rules build-arch
dh build-arch --max-parallel=2
dh_update_autotools_config -a -O--max-parallel=2
dh_autoreconf -a -O--max-parallel=2
dh_auto_configure -a -O--max-parallel=2
cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_BUILD_TYPE=None -DCMAKE_INSTALL_SYSCONFDIR=/etc -DCMAKE_INSTALL_LOCALSTATEDIR=/var -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY=ON -DCMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY=ON
-- The C compiler identification is GNU 7.2.0
-- The CXX compiler identification is GNU 7.2.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/g++
-- Check for working CXX compiler: /usr/bin/g++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found Armadillo: /usr/lib/libarmadillo.so (found suitable version "7.960.1", minimum required is "4.200.0")
-- Armadillo libraries: /usr/lib/libarmadillo.so
-- Boost version: 1.62.0
-- Found the following Boost libraries:
-- program_options
-- unit_test_framework
-- serialization
CMake Warning (dev) at /usr/share/cmake-3.9/Modules/FindOpenMP.cmake:200 (if):
Policy CMP0054 is not set: Only interpret if() arguments as variables or
keywords when unquoted. Run "cmake --help-policy CMP0054" for policy
details. Use the cmake_policy command to set the policy and suppress this
warning.
Quoted variables like "c" will no longer be dereferenced when the policy is
set to NEW. Since the policy is not set the OLD behavior will be used.
Call Stack (most recent call first):
/usr/share/cmake-3.9/Modules/FindOpenMP.cmake:324 (_OPENMP_GET_FLAGS)
CMakeLists.txt:307 (find_package)
This warning is for project developers. Use -Wno-dev to suppress it.
-- Found OpenMP_C: -fopenmp (found version "4.5")
-- Found OpenMP_CXX: -fopenmp (found version "4.5")
-- Could NOT find Git (missing: GIT_EXECUTABLE)
-- Regenerating arma_config.hpp.
CMake Warning (dev) at src/mlpack/methods/neighbor_search/CMakeLists.txt:37 (get_property):
Policy CMP0026 is not set: Disallow use of the LOCATION target property.
Run "cmake --help-policy CMP0026" for policy details. Use the cmake_policy
command to set the policy and suppress this warning.
The LOCATION property should not be read from target "mlpack_knn". Use the
target name directly with add_custom_command, or use the generator
expression $<TARGET_FILE>, as appropriate.
This warning is for project developers. Use -Wno-dev to suppress it.
CMake Warning (dev) at src/mlpack/methods/neighbor_search/CMakeLists.txt:45 (get_property):
Policy CMP0026 is not set: Disallow use of the LOCATION target property.
Run "cmake --help-policy CMP0026" for policy details. Use the cmake_policy
command to set the policy and suppress this warning.
The LOCATION property should not be read from target "mlpack_kfn". Use the
target name directly with add_custom_command, or use the generator
expression $<TARGET_FILE>, as appropriate.
This warning is for project developers. Use -Wno-dev to suppress it.
CMake Warning (dev) at src/mlpack/methods/rann/CMakeLists.txt:42 (get_property):
Policy CMP0026 is not set: Disallow use of the LOCATION target property.
Run "cmake --help-policy CMP0026" for policy details. Use the cmake_policy
command to set the policy and suppress this warning.
The LOCATION property should not be read from target "mlpack_krann". Use
the target name directly with add_custom_command, or use the generator
expression $<TARGET_FILE>, as appropriate.
This warning is for project developers. Use -Wno-dev to suppress it.
-- Performing Test COMPILER_HAS_HIDDEN_VISIBILITY
-- Performing Test COMPILER_HAS_HIDDEN_VISIBILITY - Success
-- Performing Test COMPILER_HAS_HIDDEN_INLINE_VISIBILITY
-- Performing Test COMPILER_HAS_HIDDEN_INLINE_VISIBILITY - Success
-- Performing Test COMPILER_HAS_DEPRECATED_ATTR
-- Performing Test COMPILER_HAS_DEPRECATED_ATTR - Success
-- Found Doxygen: /usr/bin/doxygen (found version "1.8.13") found components: doxygen dot
-- Found PkgConfig: /usr/bin/pkg-config (found version "0.29")
-- Configuring done
-- Generating done
CMake Warning:
Manually-specified variables were not used by the project:
CMAKE_EXPORT_NO_PACKAGE_REGISTRY
CMAKE_INSTALL_LOCALSTATEDIR
CMAKE_INSTALL_SYSCONFDIR
-- Build files have been written to: /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf
debian/rules override_dh_auto_build
make[1]: Entering directory '/<<PKGBUILDDIR>>'
dh_auto_build
make -j2
make[2]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
/usr/bin/cmake -H/<<PKGBUILDDIR>> -B/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf --check-build-system CMakeFiles/Makefile.cmake 0
/usr/bin/cmake -E cmake_progress_start /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/CMakeFiles /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/CMakeFiles/progress.marks
make -f CMakeFiles/Makefile2 all
make[3]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f CMakeFiles/doc.dir/build.make CMakeFiles/doc.dir/depend
make -f CMakeFiles/mlpack_arma_config.dir/build.make CMakeFiles/mlpack_arma_config.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/CMakeFiles/doc.dir/DependInfo.cmake --color=
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/CMakeFiles/mlpack_arma_config.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_arma_config
Scanning dependencies of target doc
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f CMakeFiles/mlpack_arma_config.dir/build.make CMakeFiles/mlpack_arma_config.dir/build
make -f CMakeFiles/doc.dir/build.make CMakeFiles/doc.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 1%] Creating Doxyfile to generate Doxygen documentation
[ 1%] Updating arma_config.hpp (if necessary)
cd /<<PKGBUILDDIR>> && /usr/bin/cmake -D ARMADILLO_INCLUDE_DIR="/usr/include" -D ARMADILLO_VERSION_MAJOR="7" -P CMake/CreateArmaConfigInfo.cmake
cd /<<PKGBUILDDIR>> && /usr/bin/cmake -D DESTDIR="/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf" -D MATHJAX="OFF" -D MATHJAX_FOUND="" -D MATHJAX_PATH="" -P /<<PKGBUILDDIR>>/CMake/GenerateDoxyfile.cmake
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 1%] Generating API documentation with Doxygen
[ 1%] Built target mlpack_arma_config
/usr/bin/doxygen /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/Doxyfile
make -f src/mlpack/CMakeFiles/mlpack_headers.dir/build.make src/mlpack/CMakeFiles/mlpack_headers.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/CMakeFiles/mlpack_headers.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_headers
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/CMakeFiles/mlpack_headers.dir/build.make src/mlpack/CMakeFiles/mlpack_headers.dir/build
warning: Tag `USE_WINDOWS_ENCODING' at line 11 of file `/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/Doxyfile' has become obsolete.
To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
warning: Tag `DETAILS_AT_TOP' at line 33 of file `/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/Doxyfile' has become obsolete.
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warning: Tag `SHOW_DIRECTORIES' at line 71 of file `/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/Doxyfile' has become obsolete.
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warning: Tag `HTML_ALIGN_MEMBERS' at line 146 of file `/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/Doxyfile' has become obsolete.
To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
warning: Tag `XML_SCHEMA' at line 197 of file `/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/Doxyfile' has become obsolete.
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warning: Tag `XML_DTD' at line 198 of file `/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/Doxyfile' has become obsolete.
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warning: Tag `MAX_DOT_GRAPH_WIDTH' at line 252 of file `/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/Doxyfile' has become obsolete.
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warning: Tag `MAX_DOT_GRAPH_HEIGHT' at line 253 of file `/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/Doxyfile' has become obsolete.
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warning: the dot tool could not be found at dot-Gbgcolor=black
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
Moving header files to include/mlpack/
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E make_directory /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/mlpack_export.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/Cube_extra_bones.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/Cube_extra_bones.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/Cube_extra_meat.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/Cube_extra_meat.hpp
Notice: Output directory `./doc' does not exist. I have created it for you.
Searching for include files...
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Searching for files in directory /<<PKGBUILDDIR>>/src/mlpack
Searching for files in directory /<<PKGBUILDDIR>>/doc/guide
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Searching for files in directory /<<PKGBUILDDIR>>/doc/policies
Reading and parsing tag files
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Adding members to member groups.
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finished...
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/Mat_extra_bones.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/Mat_extra_bones.hpp
[ 1%] Built target doc
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/Mat_extra_meat.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/Mat_extra_meat.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/SpMat_extra_bones.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/SpMat_extra_bones.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/SpMat_extra_meat.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/SpMat_extra_meat.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/arma_extend.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/arma_extend.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/fn_ccov.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/fn_ccov.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/fn_ind2sub.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/fn_ind2sub.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/fn_inplace_reshape.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/fn_inplace_reshape.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/glue_ccov_meat.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/glue_ccov_meat.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/glue_ccov_proto.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/glue_ccov_proto.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/hdf5_misc.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/hdf5_misc.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/op_ccov_meat.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/op_ccov_meat.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/op_ccov_proto.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/op_ccov_proto.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/arma_extend/operator_minus.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/arma_extend/operator_minus.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/bernoulli.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/bernoulli.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/boost_backport.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/boost_backport.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/detail/bernoulli_details.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/detail/bernoulli_details.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/detail/polygamma.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/detail/polygamma.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/detail/unchecked_bernoulli.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/detail/unchecked_bernoulli.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/math_fwd.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/math_fwd.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/policy.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/policy.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/polygamma.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/polygamma.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/trigamma.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/trigamma.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/unordered_collections_load_imp.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/unordered_collections_load_imp.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/unordered_collections_save_imp.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/unordered_collections_save_imp.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/boost_backport/unordered_map.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/boost_backport/unordered_map.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/binarize.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/binarize.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/dataset_mapper.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/dataset_mapper.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/dataset_mapper_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/dataset_mapper_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/extension.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/extension.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/format.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/format.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/imputation_methods/custom_imputation.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/imputation_methods/custom_imputation.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/imputation_methods/listwise_deletion.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/imputation_methods/listwise_deletion.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/imputation_methods/mean_imputation.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/imputation_methods/mean_imputation.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/imputation_methods/median_imputation.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/imputation_methods/median_imputation.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/imputer.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/imputer.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/load.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/load.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/load_arff.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/load_arff.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/load_arff_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/load_arff_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/load_csv.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/load_csv.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/load_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/load_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/load_model_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/load_model_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/map_policies/datatype.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/map_policies/datatype.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/map_policies/increment_policy.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/map_policies/increment_policy.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/map_policies/missing_policy.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/map_policies/missing_policy.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/normalize_labels.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/normalize_labels.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/normalize_labels_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/normalize_labels_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/save.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/save.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/save_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/save_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/serialization_shim.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/serialization_shim.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/serialization_template_version.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/serialization_template_version.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/data/split_data.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/data/split_data.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/dists/discrete_distribution.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/dists/discrete_distribution.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/dists/gamma_distribution.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/dists/gamma_distribution.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/dists/gaussian_distribution.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/dists/gaussian_distribution.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/dists/laplace_distribution.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/dists/laplace_distribution.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/dists/regression_distribution.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/dists/regression_distribution.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/cosine_distance.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/cosine_distance.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/cosine_distance_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/cosine_distance_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/epanechnikov_kernel.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/epanechnikov_kernel.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/epanechnikov_kernel_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/epanechnikov_kernel_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/example_kernel.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/example_kernel.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/gaussian_kernel.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/gaussian_kernel.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/hyperbolic_tangent_kernel.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/hyperbolic_tangent_kernel.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/kernel_traits.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/kernel_traits.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/laplacian_kernel.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/laplacian_kernel.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/linear_kernel.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/linear_kernel.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/polynomial_kernel.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/polynomial_kernel.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/pspectrum_string_kernel.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/pspectrum_string_kernel.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/pspectrum_string_kernel_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/pspectrum_string_kernel_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/spherical_kernel.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/spherical_kernel.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/kernels/triangular_kernel.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/kernels/triangular_kernel.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/math/clamp.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/math/clamp.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/math/columns_to_blocks.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/math/columns_to_blocks.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/math/lin_alg.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/math/lin_alg.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/math/lin_alg_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/math/lin_alg_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/math/random.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/math/random.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/math/random_basis.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/math/random_basis.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/math/range.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/math/range.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/math/range_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/math/range_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/math/round.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/math/round.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/metrics/ip_metric.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/metrics/ip_metric.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/metrics/ip_metric_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/metrics/ip_metric_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/metrics/lmetric.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/metrics/lmetric.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/metrics/lmetric_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/metrics/lmetric_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/metrics/mahalanobis_distance.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/metrics/mahalanobis_distance.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/metrics/mahalanobis_distance_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/metrics/mahalanobis_distance_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/adadelta/ada_delta.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/adadelta/ada_delta.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/adadelta/ada_delta_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/adadelta/ada_delta_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/adam/adam.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/adam/adam.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/adam/adam_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/adam/adam_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian_function.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian_function.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian_function_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian_function_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian_test_functions.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian_test_functions.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/gradient_descent/gradient_descent.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/gradient_descent/gradient_descent.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/gradient_descent/gradient_descent_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/gradient_descent/gradient_descent_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/gradient_descent/test_function.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/gradient_descent/test_function.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/lbfgs/lbfgs.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/lbfgs/lbfgs.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/lbfgs/lbfgs_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/lbfgs/lbfgs_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/lbfgs/test_functions.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/lbfgs/test_functions.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/minibatch_sgd/minibatch_sgd.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/minibatch_sgd/minibatch_sgd.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/minibatch_sgd/minibatch_sgd_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/minibatch_sgd/minibatch_sgd_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/rmsprop/rmsprop.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/rmsprop/rmsprop.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/rmsprop/rmsprop_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/rmsprop/rmsprop_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sa/exponential_schedule.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sa/exponential_schedule.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sa/sa.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sa/sa.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sa/sa_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sa/sa_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sdp/lrsdp.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sdp/lrsdp.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sdp/lrsdp_function.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sdp/lrsdp_function.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sdp/lrsdp_function_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sdp/lrsdp_function_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sdp/lrsdp_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sdp/lrsdp_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sdp/primal_dual.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sdp/primal_dual.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sdp/primal_dual_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sdp/primal_dual_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sdp/sdp.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sdp/sdp.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sdp/sdp_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sdp/sdp_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sgd/sgd.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sgd/sgd.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sgd/sgd_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sgd/sgd_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sgd/test_function.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/optimizers/sgd/test_function.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/address.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/address.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/ballbound.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/ballbound.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/ballbound_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/ballbound_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/binary_space_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/binary_space_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/breadth_first_dual_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/breadth_first_dual_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/breadth_first_dual_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/breadth_first_dual_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/dual_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/dual_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/dual_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/dual_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/mean_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/mean_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/mean_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/mean_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/midpoint_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/midpoint_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/midpoint_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/midpoint_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/rp_tree_max_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/rp_tree_max_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/rp_tree_max_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/rp_tree_max_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/rp_tree_mean_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/rp_tree_mean_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/rp_tree_mean_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/rp_tree_mean_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/single_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/single_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/single_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/single_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/traits.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/traits.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/typedef.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/typedef.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/ub_tree_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/ub_tree_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/ub_tree_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/ub_tree_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/vantage_point_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/vantage_point_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/binary_space_tree/vantage_point_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/binary_space_tree/vantage_point_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/bound_traits.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/bound_traits.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/bounds.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/bounds.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cellbound.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cellbound.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cellbound_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cellbound_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cosine_tree/cosine_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cosine_tree/cosine_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cover_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cover_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cover_tree/cover_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cover_tree/cover_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cover_tree/cover_tree_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cover_tree/cover_tree_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cover_tree/dual_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cover_tree/dual_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cover_tree/dual_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cover_tree/dual_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cover_tree/first_point_is_root.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cover_tree/first_point_is_root.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cover_tree/single_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cover_tree/single_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cover_tree/single_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cover_tree/single_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cover_tree/traits.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cover_tree/traits.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/cover_tree/typedef.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/cover_tree/typedef.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/example_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/example_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/greedy_single_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/greedy_single_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/greedy_single_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/greedy_single_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/hollow_ball_bound.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/hollow_ball_bound.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/hollow_ball_bound_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/hollow_ball_bound_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/hrectbound.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/hrectbound.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/hrectbound_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/hrectbound_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/octree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/octree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/octree/dual_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/octree/dual_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/octree/dual_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/octree/dual_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/octree/octree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/octree/octree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/octree/octree_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/octree/octree_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/octree/single_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/octree/single_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/octree/single_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/octree/single_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/octree/traits.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/octree/traits.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/perform_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/perform_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/discrete_hilbert_value.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/discrete_hilbert_value.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/dual_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/dual_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/dual_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/dual_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/hilbert_r_tree_auxiliary_information.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/hilbert_r_tree_auxiliary_information.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/hilbert_r_tree_auxiliary_information_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/hilbert_r_tree_auxiliary_information_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/hilbert_r_tree_descent_heuristic.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/hilbert_r_tree_descent_heuristic.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/hilbert_r_tree_descent_heuristic_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/hilbert_r_tree_descent_heuristic_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/hilbert_r_tree_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/hilbert_r_tree_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/hilbert_r_tree_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/hilbert_r_tree_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/minimal_coverage_sweep.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/minimal_coverage_sweep.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/minimal_coverage_sweep_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/minimal_coverage_sweep_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/minimal_splits_number_sweep.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/minimal_splits_number_sweep.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/minimal_splits_number_sweep_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/minimal_splits_number_sweep_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/no_auxiliary_information.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/no_auxiliary_information.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_plus_plus_tree_auxiliary_information.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_plus_plus_tree_auxiliary_information.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_plus_plus_tree_auxiliary_information_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_plus_plus_tree_auxiliary_information_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_plus_plus_tree_descent_heuristic.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_plus_plus_tree_descent_heuristic.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_plus_plus_tree_descent_heuristic_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_plus_plus_tree_descent_heuristic_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_plus_plus_tree_split_policy.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_plus_plus_tree_split_policy.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_plus_tree_descent_heuristic.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_plus_tree_descent_heuristic.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_plus_tree_descent_heuristic_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_plus_tree_descent_heuristic_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_plus_tree_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_plus_tree_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_plus_tree_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_plus_tree_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_plus_tree_split_policy.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_plus_tree_split_policy.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_star_tree_descent_heuristic.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_star_tree_descent_heuristic.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_star_tree_descent_heuristic_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_star_tree_descent_heuristic_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_star_tree_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_star_tree_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_star_tree_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_star_tree_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_tree_descent_heuristic.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_tree_descent_heuristic.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_tree_descent_heuristic_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_tree_descent_heuristic_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_tree_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_tree_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/r_tree_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/r_tree_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/rectangle_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/rectangle_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/single_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/single_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/single_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/single_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/traits.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/traits.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/typedef.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/typedef.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/x_tree_auxiliary_information.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/x_tree_auxiliary_information.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/x_tree_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/x_tree_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/rectangle_tree/x_tree_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/rectangle_tree/x_tree_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/space_split/hyperplane.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/space_split/hyperplane.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/space_split/mean_space_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/space_split/mean_space_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/space_split/mean_space_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/space_split/mean_space_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/space_split/midpoint_space_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/space_split/midpoint_space_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/space_split/midpoint_space_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/space_split/midpoint_space_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/space_split/projection_vector.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/space_split/projection_vector.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/space_split/space_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/space_split/space_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/space_split/space_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/space_split/space_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/spill_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/spill_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/spill_tree/is_spill_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/spill_tree/is_spill_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/spill_tree/spill_dual_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/spill_tree/spill_dual_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/spill_tree/spill_dual_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/spill_tree/spill_dual_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/spill_tree/spill_single_tree_traverser.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/spill_tree/spill_single_tree_traverser.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/spill_tree/spill_single_tree_traverser_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/spill_tree/spill_single_tree_traverser_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/spill_tree/spill_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/spill_tree/spill_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/spill_tree/spill_tree_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/spill_tree/spill_tree_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/spill_tree/traits.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/spill_tree/traits.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/spill_tree/typedef.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/spill_tree/typedef.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/statistic.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/statistic.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/traversal_info.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/traversal_info.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/tree/tree_traits.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/tree/tree_traits.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/arma_config.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/arma_config.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/arma_config_check.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/arma_config_check.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/arma_traits.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/arma_traits.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/backtrace.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/backtrace.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/cli.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/cli.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/cli_deleter.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/cli_deleter.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/cli_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/cli_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/deprecated.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/deprecated.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/log.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/log.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/nulloutstream.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/nulloutstream.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/option.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/option.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/option_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/option_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/param.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/param.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/prefixedoutstream.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/prefixedoutstream.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/prefixedoutstream_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/prefixedoutstream_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/sfinae_utility.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/sfinae_utility.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/singletons.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/singletons.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/timers.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/timers.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/core/util/version.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/core/util/version.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/adaboost/adaboost.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/adaboost/adaboost.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/adaboost/adaboost_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/adaboost/adaboost_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/amf.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/amf.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/amf_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/amf_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/init_rules/average_init.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/init_rules/average_init.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/init_rules/given_init.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/init_rules/given_init.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/init_rules/random_acol_init.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/init_rules/random_acol_init.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/init_rules/random_init.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/init_rules/random_init.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/termination_policies/complete_incremental_termination.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/termination_policies/complete_incremental_termination.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/termination_policies/incomplete_incremental_termination.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/termination_policies/incomplete_incremental_termination.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/termination_policies/max_iteration_termination.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/termination_policies/max_iteration_termination.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/termination_policies/simple_residue_termination.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/termination_policies/simple_residue_termination.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/termination_policies/simple_tolerance_termination.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/termination_policies/simple_tolerance_termination.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/termination_policies/validation_RMSE_termination.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/termination_policies/validation_RMSE_termination.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/update_rules/nmf_als.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/update_rules/nmf_als.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/update_rules/nmf_mult_dist.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/update_rules/nmf_mult_dist.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/update_rules/nmf_mult_div.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/update_rules/nmf_mult_div.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/update_rules/svd_batch_learning.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/update_rules/svd_batch_learning.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/update_rules/svd_complete_incremental_learning.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/update_rules/svd_complete_incremental_learning.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/amf/update_rules/svd_incomplete_incremental_learning.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/amf/update_rules/svd_incomplete_incremental_learning.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/ann/init_rules/random_init.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/ann/init_rules/random_init.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/drusilla_select.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/approx_kfn/drusilla_select.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/drusilla_select_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/approx_kfn/drusilla_select_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/qdafn.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/approx_kfn/qdafn.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/qdafn_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/approx_kfn/qdafn_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/cf/cf.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/cf/cf_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/cf/svd_wrapper.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/cf/svd_wrapper.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/cf/svd_wrapper_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/cf/svd_wrapper_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/dbscan/dbscan.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/dbscan/dbscan.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/dbscan/dbscan_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/dbscan/dbscan_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/dbscan/random_point_selection.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/dbscan/random_point_selection.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/decision_stump/decision_stump.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/decision_stump/decision_stump.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/decision_stump/decision_stump_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/decision_stump/decision_stump_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/all_categorical_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/decision_tree/all_categorical_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/all_categorical_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/decision_tree/all_categorical_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/best_binary_numeric_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/decision_tree/best_binary_numeric_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/best_binary_numeric_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/decision_tree/best_binary_numeric_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/decision_tree/decision_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/decision_tree/decision_tree_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/gini_gain.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/decision_tree/gini_gain.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/information_gain.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/decision_tree/information_gain.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/det/dt_utils.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/det/dt_utils.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/det/dtree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/det/dtree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/emst/dtb.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/emst/dtb_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb_rules.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/emst/dtb_rules.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb_rules_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/emst/dtb_rules_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb_stat.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/emst/dtb_stat.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/emst/edge_pair.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/emst/edge_pair.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/emst/union_find.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/emst/union_find.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/fastmks/fastmks.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/fastmks/fastmks_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/fastmks/fastmks_model.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/fastmks/fastmks_model_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_rules.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/fastmks/fastmks_rules.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_rules_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/fastmks/fastmks_rules_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_stat.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/fastmks/fastmks_stat.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/diagonal_constraint.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/gmm/diagonal_constraint.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/eigenvalue_ratio_constraint.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/gmm/eigenvalue_ratio_constraint.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/em_fit.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/gmm/em_fit.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/em_fit_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/gmm/em_fit_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/gmm.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/gmm/gmm.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/gmm_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/gmm/gmm_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/no_constraint.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/gmm/no_constraint.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/positive_definite_constraint.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/gmm/positive_definite_constraint.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hmm/hmm.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hmm/hmm_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm_regression.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hmm/hmm_regression.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm_regression_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hmm/hmm_regression_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm_util.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hmm/hmm_util.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm_util_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hmm/hmm_util_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/binary_numeric_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/binary_numeric_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/binary_numeric_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/binary_numeric_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/binary_numeric_split_info.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/binary_numeric_split_info.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/categorical_split_info.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/categorical_split_info.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/gini_impurity.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/gini_impurity.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_categorical_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/hoeffding_categorical_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_categorical_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/hoeffding_categorical_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_numeric_split.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/hoeffding_numeric_split.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_numeric_split_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/hoeffding_numeric_split_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/hoeffding_tree.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/information_gain.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/information_gain.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/numeric_split_info.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/numeric_split_info.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/typedef.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/hoeffding_trees/typedef.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca/kernel_pca.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kernel_pca/kernel_pca.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca/kernel_pca_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kernel_pca/kernel_pca_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca/kernel_rules/naive_method.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kernel_pca/kernel_rules/naive_method.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca/kernel_rules/nystroem_method.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kernel_pca/kernel_rules/nystroem_method.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/allow_empty_clusters.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/allow_empty_clusters.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/dual_tree_kmeans.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_rules.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/dual_tree_kmeans_rules.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_rules_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/dual_tree_kmeans_rules_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_statistic.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/dual_tree_kmeans_statistic.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/elkan_kmeans.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/elkan_kmeans.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/elkan_kmeans_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/elkan_kmeans_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/hamerly_kmeans.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/hamerly_kmeans.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/hamerly_kmeans_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/hamerly_kmeans_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kill_empty_clusters.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/kill_empty_clusters.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/kmeans.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/kmeans_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/max_variance_new_cluster.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/max_variance_new_cluster.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/max_variance_new_cluster_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/max_variance_new_cluster_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/naive_kmeans.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/naive_kmeans.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/naive_kmeans_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/naive_kmeans_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/pelleg_moore_kmeans.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/pelleg_moore_kmeans_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans_rules.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/pelleg_moore_kmeans_rules.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans_rules_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/pelleg_moore_kmeans_rules_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans_statistic.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/pelleg_moore_kmeans_statistic.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/random_partition.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/random_partition.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/refined_start.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/refined_start.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/refined_start_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/refined_start_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/sample_initialization.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/kmeans/sample_initialization.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/lars/lars.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/lars/lars.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/lars/lars_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/lars/lars_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/linear_regression/linear_regression.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/linear_regression/linear_regression.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/local_coordinate_coding/lcc.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/local_coordinate_coding/lcc.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/local_coordinate_coding/lcc_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/local_coordinate_coding/lcc_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/logistic_regression/logistic_regression.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_function.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/logistic_regression/logistic_regression_function.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_function_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/logistic_regression/logistic_regression_function_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/logistic_regression/logistic_regression_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/lsh/lsh_search.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/lsh/lsh_search_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/matrix_completion/matrix_completion.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/matrix_completion/matrix_completion.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/mean_shift/mean_shift.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/mean_shift/mean_shift_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/naive_bayes/naive_bayes_classifier.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/naive_bayes/naive_bayes_classifier.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/naive_bayes/naive_bayes_classifier_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/naive_bayes/naive_bayes_classifier_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/nca/nca.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/nca/nca.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/nca/nca_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/nca/nca_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/nca/nca_softmax_error_function.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/nca/nca_softmax_error_function.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/nca/nca_softmax_error_function_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/nca/nca_softmax_error_function_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/neighbor_search.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/neighbor_search_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/neighbor_search_rules.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_stat.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/neighbor_search_stat.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/ns_model.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/ns_model_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/sort_policies/furthest_neighbor_sort.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/sort_policies/furthest_neighbor_sort.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/sort_policies/furthest_neighbor_sort_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/sort_policies/furthest_neighbor_sort_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/sort_policies/nearest_neighbor_sort.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/sort_policies/nearest_neighbor_sort.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/sort_policies/nearest_neighbor_sort_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/sort_policies/nearest_neighbor_sort_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/typedef.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/typedef.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/unmap.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/neighbor_search/unmap.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/nystroem_method/kmeans_selection.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/nystroem_method/kmeans_selection.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/nystroem_method/nystroem_method.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/nystroem_method/nystroem_method.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/nystroem_method/nystroem_method_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/nystroem_method/nystroem_method_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/nystroem_method/ordered_selection.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/nystroem_method/ordered_selection.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/nystroem_method/random_selection.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/nystroem_method/random_selection.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/pca/decomposition_policies/exact_svd_method.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/pca/decomposition_policies/exact_svd_method.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/pca/decomposition_policies/quic_svd_method.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/pca/decomposition_policies/quic_svd_method.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/pca/decomposition_policies/randomized_svd_method.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/pca/decomposition_policies/randomized_svd_method.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/pca/pca.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/pca/pca.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/pca/pca_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/pca/pca_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/perceptron/initialization_methods/random_init.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/perceptron/initialization_methods/random_init.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/perceptron/initialization_methods/zero_init.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/perceptron/initialization_methods/zero_init.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/perceptron/learning_policies/simple_weight_update.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/perceptron/learning_policies/simple_weight_update.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/perceptron/perceptron.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/perceptron/perceptron.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/perceptron/perceptron_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/perceptron/perceptron_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/quic_svd/quic_svd.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/quic_svd/quic_svd.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/radical/radical.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/radical/radical.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/randomized_svd/randomized_svd.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/randomized_svd/randomized_svd.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/range_search/range_search.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/range_search/range_search.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/range_search/range_search_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/range_search/range_search_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/range_search/range_search_rules.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/range_search/range_search_rules.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/range_search/range_search_rules_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/range_search/range_search_rules_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/range_search/range_search_stat.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/range_search/range_search_stat.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/range_search/rs_model.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/range_search/rs_model.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/range_search/rs_model_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/range_search/rs_model_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/rann/ra_model.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/rann/ra_model.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/rann/ra_model_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/rann/ra_model_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/rann/ra_query_stat.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/rann/ra_query_stat.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/rann/ra_search.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/rann/ra_search.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/rann/ra_search_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/rann/ra_search_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/rann/ra_search_rules.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/rann/ra_search_rules.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/rann/ra_search_rules_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/rann/ra_search_rules_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/rann/ra_typedef.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/rann/ra_typedef.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/rann/ra_util.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/rann/ra_util.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/regularized_svd/regularized_svd.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/regularized_svd/regularized_svd.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/regularized_svd/regularized_svd_function.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/regularized_svd/regularized_svd_function.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/regularized_svd/regularized_svd_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/regularized_svd/regularized_svd_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/softmax_regression/softmax_regression.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/softmax_regression/softmax_regression.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/softmax_regression/softmax_regression_function.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/softmax_regression/softmax_regression_function.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/softmax_regression/softmax_regression_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/softmax_regression/softmax_regression_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_autoencoder/maximal_inputs.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/sparse_autoencoder/maximal_inputs.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_autoencoder/sparse_autoencoder.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/sparse_autoencoder/sparse_autoencoder.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_autoencoder/sparse_autoencoder_function.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/sparse_autoencoder/sparse_autoencoder_function.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_autoencoder/sparse_autoencoder_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/sparse_autoencoder/sparse_autoencoder_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_coding/data_dependent_random_initializer.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/sparse_coding/data_dependent_random_initializer.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_coding/nothing_initializer.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/sparse_coding/nothing_initializer.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_coding/random_initializer.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/sparse_coding/random_initializer.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_coding/sparse_coding.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/sparse_coding/sparse_coding.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_coding/sparse_coding_impl.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/methods/sparse_coding/sparse_coding_impl.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/prereqs.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/prereqs.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/tests/serialization.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/tests/serialization.hpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E copy /<<PKGBUILDDIR>>/src/mlpack/tests/test_tools.hpp /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/include/mlpack/tests/test_tools.hpp
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 1%] Built target mlpack_headers
make -f src/mlpack/CMakeFiles/mlpack.dir/build.make src/mlpack/CMakeFiles/mlpack.dir/depend
make -f CMakeFiles/pkgconfig.dir/build.make CMakeFiles/pkgconfig.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/CMakeFiles/pkgconfig.dir/DependInfo.cmake --color=
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/CMakeFiles/mlpack.dir/DependInfo.cmake --color=
Scanning dependencies of target pkgconfig
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f CMakeFiles/pkgconfig.dir/build.make CMakeFiles/pkgconfig.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 2%] Generating mlpack.pc (pkg-config) file.
/usr/bin/cmake -P /<<PKGBUILDDIR>>/CMake/GeneratePkgConfig.cmake
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 2%] Built target pkgconfig
Scanning dependencies of target mlpack
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/CMakeFiles/mlpack.dir/build.make src/mlpack/CMakeFiles/mlpack.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 3%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/data/load.cpp.o
[ 3%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/data/load_csv.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/data/load.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/data/load.cpp
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/data/load_csv.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/data/load_csv.cpp
[ 3%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/dists/discrete_distribution.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/dists/discrete_distribution.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/dists/discrete_distribution.cpp
[ 4%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/dists/gaussian_distribution.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/dists/gaussian_distribution.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/dists/gaussian_distribution.cpp
[ 4%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/dists/laplace_distribution.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/dists/laplace_distribution.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/dists/laplace_distribution.cpp
[ 5%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/dists/regression_distribution.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/dists/regression_distribution.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/dists/regression_distribution.cpp
[ 5%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/dists/gamma_distribution.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/dists/gamma_distribution.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/dists/gamma_distribution.cpp
[ 6%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/kernels/epanechnikov_kernel.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/kernels/epanechnikov_kernel.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/kernels/epanechnikov_kernel.cpp
[ 6%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/kernels/pspectrum_string_kernel.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/kernels/pspectrum_string_kernel.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/kernels/pspectrum_string_kernel.cpp
[ 6%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/math/columns_to_blocks.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/math/columns_to_blocks.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/math/columns_to_blocks.cpp
[ 7%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/math/lin_alg.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/math/lin_alg.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/math/lin_alg.cpp
[ 7%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/math/random.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/math/random.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/math/random.cpp
[ 8%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/math/random_basis.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/math/random_basis.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/math/random_basis.cpp
[ 8%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/optimizers/aug_lagrangian/aug_lagrangian_test_functions.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/optimizers/aug_lagrangian/aug_lagrangian_test_functions.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/aug_lagrangian/aug_lagrangian_test_functions.cpp
[ 9%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/optimizers/gradient_descent/test_function.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/optimizers/gradient_descent/test_function.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/gradient_descent/test_function.cpp
[ 9%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/optimizers/lbfgs/test_functions.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/optimizers/lbfgs/test_functions.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/lbfgs/test_functions.cpp
[ 10%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/optimizers/sgd/test_function.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/optimizers/sgd/test_function.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/optimizers/sgd/test_function.cpp
[ 10%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/tree/cosine_tree/cosine_tree.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/tree/cosine_tree/cosine_tree.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/tree/cosine_tree/cosine_tree.cpp
[ 11%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/util/backtrace.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/util/backtrace.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/util/backtrace.cpp
/<<PKGBUILDDIR>>/src/mlpack/core/tree/cosine_tree/cosine_tree.cpp: In member function 'void mlpack::tree::CosineTree::CosineNodeSplit()':
/<<PKGBUILDDIR>>/src/mlpack/core/tree/cosine_tree/cosine_tree.cpp:330:43: warning: 'new' of type 'mlpack::tree::CosineTree' with extended alignment 16 [-Waligned-new=]
left = new CosineTree(*this, leftIndices);
^
/<<PKGBUILDDIR>>/src/mlpack/core/tree/cosine_tree/cosine_tree.cpp:330:43: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/core/tree/cosine_tree/cosine_tree.cpp:330:43: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/core/tree/cosine_tree/cosine_tree.cpp:331:45: warning: 'new' of type 'mlpack::tree::CosineTree' with extended alignment 16 [-Waligned-new=]
right = new CosineTree(*this, rightIndices);
^
/<<PKGBUILDDIR>>/src/mlpack/core/tree/cosine_tree/cosine_tree.cpp:331:45: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/core/tree/cosine_tree/cosine_tree.cpp:331:45: note: use '-faligned-new' to enable C++17 over-aligned new support
[ 11%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/util/cli.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/util/cli.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/util/cli.cpp
[ 11%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/util/cli_deleter.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/util/cli_deleter.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/util/cli_deleter.cpp
[ 12%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/util/log.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/util/log.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/util/log.cpp
[ 12%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/util/option.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/util/option.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/util/option.cpp
[ 13%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/util/prefixedoutstream.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/util/prefixedoutstream.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/util/prefixedoutstream.cpp
[ 13%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/util/singletons.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/util/singletons.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/util/singletons.cpp
[ 14%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/util/timers.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/util/timers.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/util/timers.cpp
[ 14%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/core/util/version.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/core/util/version.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/core/util/version.cpp
[ 15%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/cf/cf.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/cf/cf.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.cpp
In file included from /usr/include/c++/7/map:60:0,
from /<<PKGBUILDDIR>>/src/mlpack/core/util/timers.hpp:16,
from /<<PKGBUILDDIR>>/src/mlpack/core/util/timers.cpp:13:
/usr/include/c++/7/bits/stl_tree.h: In function 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_emplace_hint_unique(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::const_iterator, _Args&& ...) [with _Args = {const std::piecewise_construct_t&, std::tuple<const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&>, std::tuple<>}; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > >; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >]':
/usr/include/c++/7/bits/stl_tree.h:2395:7: note: parameter passing for argument of type 'std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > >, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >}' changed in GCC 7.1
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/map:61:0,
from /<<PKGBUILDDIR>>/src/mlpack/core/util/timers.hpp:16,
from /<<PKGBUILDDIR>>/src/mlpack/core/util/timers.cpp:13:
/usr/include/c++/7/bits/stl_map.h: In member function 'std::chrono::microseconds mlpack::Timers::GetTimer(const string&)':
/usr/include/c++/7/bits/stl_map.h:493:4: note: parameter passing for argument of type 'std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > >, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
/usr/include/c++/7/bits/stl_map.h: In member function 'void mlpack::Timers::PrintTimer(const string&)':
/usr/include/c++/7/bits/stl_map.h:493:4: note: parameter passing for argument of type 'std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > >, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
In file included from /usr/include/c++/7/map:60:0,
from /<<PKGBUILDDIR>>/src/mlpack/core/util/timers.hpp:16,
from /<<PKGBUILDDIR>>/src/mlpack/core/util/timers.cpp:13:
/usr/include/c++/7/bits/stl_tree.h: In function 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_emplace_hint_unique(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::const_iterator, _Args&& ...) [with _Args = {const std::piecewise_construct_t&, std::tuple<const std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&>, std::tuple<>}; _Key = std::__cxx11::basic_string<char>; _Val = std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > >; _KeyOfValue = std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > >; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > >]':
/usr/include/c++/7/bits/stl_tree.h:2395:7: note: parameter passing for argument of type 'std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > >, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > >}' changed in GCC 7.1
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/map:61:0,
from /<<PKGBUILDDIR>>/src/mlpack/core/util/timers.hpp:16,
from /<<PKGBUILDDIR>>/src/mlpack/core/util/timers.cpp:13:
/usr/include/c++/7/bits/stl_map.h: In member function 'void mlpack::Timers::StartTimer(const string&)':
/usr/include/c++/7/bits/stl_map.h:493:4: note: parameter passing for argument of type 'std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > >, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
/usr/include/c++/7/bits/stl_map.h:493:4: note: parameter passing for argument of type 'std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > >, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
/usr/include/c++/7/bits/stl_map.h: In member function 'void mlpack::Timers::StopTimer(const string&)':
/usr/include/c++/7/bits/stl_map.h:493:4: note: parameter passing for argument of type 'std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > >, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::duration<long long int, std::ratio<1, 1000000> > > >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
/usr/include/c++/7/bits/stl_map.h:493:4: note: parameter passing for argument of type 'std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > >, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > >, std::less<std::__cxx11::basic_string<char> >, std::allocator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const std::__cxx11::basic_string<char>, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long long int, std::ratio<1, 1000000000> > > > >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
[ 15%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/det/dtree.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/det/dtree.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/det/dtree.cpp
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In copy constructor 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(const mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>(*other.pointsIndex);
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In member function 'void mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SplitNode(arma::Col<unsigned int>&, size_t, double, double)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In constructor 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>&&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
other.referenceSet = new arma::mat(); // Empty dataset.
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.cpp:82:74: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:87:33: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(const MatType&, mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.cpp:80:29: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.cpp:16:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const std::pair<double, unsigned int>&}; _Tp = std::pair<double, unsigned int>; _Alloc = std::allocator<std::pair<double, unsigned int> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<std::pair<double, unsigned int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<std::pair<double, unsigned int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >}' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.cpp:16:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::cf::CF::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf.cpp:16:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&) [with RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::GreedySingleTreeTraverser<TreeType, RuleType>::Traverse(size_t, TreeType&) [with TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&, mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&) [with RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::cf::CF::GetRecommendations(size_t, arma::Mat<unsigned int>&, arma::Col<unsigned int>&)':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dtree.cpp: In member function 'double mlpack::det::DTree::Grow(arma::mat&, arma::Col<unsigned int>&, bool, size_t, size_t)':
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dtree.cpp:358:72: warning: 'new' of type 'mlpack::det::DTree' with extended alignment 16 [-Waligned-new=]
left = new DTree(maxValsL, minValsL, start, splitIndex, leftError);
^
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dtree.cpp:358:72: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dtree.cpp:358:72: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dtree.cpp:359:72: warning: 'new' of type 'mlpack::det::DTree' with extended alignment 16 [-Waligned-new=]
right = new DTree(maxValsR, minValsR, splitIndex, end, rightError);
^
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dtree.cpp:359:72: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dtree.cpp:359:72: note: use '-faligned-new' to enable C++17 over-aligned new support
[ 16%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/det/dt_utils.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/det/dt_utils.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/det/dt_utils.cpp
[ 16%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/fastmks/fastmks_model.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/fastmks/fastmks_model.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dt_utils.cpp: In function 'mlpack::det::DTree* mlpack::det::Trainer(arma::mat&, size_t, bool, size_t, size_t, std::__cxx11::string)':
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dt_utils.cpp:293:38: warning: 'new' of type 'mlpack::det::DTree' with extended alignment 16 [-Waligned-new=]
DTree* dtreeOpt = new DTree(dataset);
^
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dt_utils.cpp:293:38: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/det/dt_utils.cpp:293:38: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/det/dt_utils.hpp:16,
from /<<PKGBUILDDIR>>/src/mlpack/methods/det/dt_utils.cpp:13:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const std::pair<double, double>&}; _Tp = std::pair<double, double>; _Alloc = std::allocator<std::pair<double, double> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<std::pair<double, double> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<double, double>*, std::vector<std::pair<double, double> > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/det/dt_utils.hpp:16,
from /<<PKGBUILDDIR>>/src/mlpack/methods/det/dt_utils.cpp:13:
/usr/include/c++/7/bits/stl_vector.h: In function 'mlpack::det::DTree* mlpack::det::Trainer(arma::mat&, size_t, bool, size_t, size_t, std::__cxx11::string)':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, double>*, std::vector<std::pair<double, double> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, double>*, std::vector<std::pair<double, double> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[ 16%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/gmm/gmm.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/gmm/gmm.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/gmm.cpp
[ 17%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/lars/lars.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/lars/lars.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/lars/lars.cpp
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<mlpack::fastmks::FastMKS<mlpack::kernel::LinearKernel>::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:128:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__push_heap(_RandomAccessIterator __first,
^~~~~~~~~~~
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<mlpack::fastmks::FastMKS<mlpack::kernel::LinearKernel>::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:128:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const std::pair<double, unsigned int>&}; _Tp = std::pair<double, unsigned int>; _Alloc = std::allocator<std::pair<double, unsigned int> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<std::pair<double, unsigned int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<double, unsigned int>; _Alloc = std::allocator<std::pair<double, unsigned int> >]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>&}; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Alloc = std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>&}; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Alloc = std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>&}; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Alloc = std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>&}; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Alloc = std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>&}; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Alloc = std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>&}; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Alloc = std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>&}; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Alloc = std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry&}; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Alloc = std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry&}; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Alloc = std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry&}; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Alloc = std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry&}; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Alloc = std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry&}; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Alloc = std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry&}; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Alloc = std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry&}; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Alloc = std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >}' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::fastmks::FastMKS<mlpack::kernel::LinearKernel>::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {std::pair<double, unsigned int>}; _Tp = std::pair<double, unsigned int>; _Alloc = std::allocator<std::pair<double, unsigned int> >]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::fastmks::FastMKS<mlpack::kernel::PolynomialKernel>::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::fastmks::FastMKS<mlpack::kernel::CosineDistance>::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::fastmks::FastMKS<mlpack::kernel::GaussianKernel>::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::fastmks::FastMKS<mlpack::kernel::EpanechnikovKernel>::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::fastmks::FastMKS<mlpack::kernel::TriangularKernel>::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::fastmks::FastMKS<mlpack::kernel::HyperbolicTangentKernel>::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Distance = int; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lars/lars.hpp:27,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lars/lars.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const double&}; _Tp = double; _Alloc = std::allocator<double>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<double>::iterator {aka __gnu_cxx::__normal_iterator<double*, std::vector<double> >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Distance = int; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Distance = int; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const arma::Col<double>&}; _Tp = arma::Col<double>; _Alloc = std::allocator<arma::Col<double> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<arma::Col<double> >::iterator {aka __gnu_cxx::__normal_iterator<arma::Col<double>*, std::vector<arma::Col<double> > >}' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Distance = int; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Distance = int; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Distance = int; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Distance = int; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Val_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1821:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__unguarded_linear_insert(_RandomAccessIterator __last,
^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lars/lars.hpp:27,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lars/lars.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::regression::LARS::Train(const mat&, const vec&, arma::vec&, bool)':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::Col<double>*, std::vector<arma::Col<double> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::Col<double>*, std::vector<arma::Col<double> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[ 17%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/linear_regression/linear_regression.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/linear_regression/linear_regression.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/linear_regression/linear_regression.cpp
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Distance = int; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::ReferenceRecursion(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::PruneMap(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::LinearKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::LinearKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Distance = int; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::ReferenceRecursion(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::PruneMap(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::PolynomialKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::PolynomialKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Distance = int; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::ReferenceRecursion(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::PruneMap(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::CosineDistance, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::CosineDistance>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Distance = int; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::ReferenceRecursion(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::PruneMap(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::GaussianKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::GaussianKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Distance = int; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::ReferenceRecursion(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::PruneMap(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::EpanechnikovKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::EpanechnikovKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Distance = int; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::ReferenceRecursion(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::PruneMap(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::TriangularKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::TriangularKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Distance = int; _Tp = mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::ReferenceRecursion(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::PruneMap(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>; StatisticType = mlpack::fastmks::FastMKSStat; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::fastmks::FastMKSRules<mlpack::kernel::HyperbolicTangentKernel, mlpack::tree::CoverTree<mlpack::metric::IPMetric<mlpack::kernel::HyperbolicTangentKernel>, mlpack::fastmks::FastMKSStat, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[ 18%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/local_coordinate_coding/lcc.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/local_coordinate_coding/lcc.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/local_coordinate_coding/lcc.cpp
[ 18%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/matrix_completion/matrix_completion.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/matrix_completion/matrix_completion.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/matrix_completion/matrix_completion.cpp
[ 19%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/neighbor_search/unmap.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/neighbor_search/unmap.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/unmap.cpp
[ 19%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/quic_svd/quic_svd.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/quic_svd/quic_svd.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/quic_svd/quic_svd.cpp
[ 20%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/radical/radical.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/radical/radical.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/radical/radical.cpp
/<<PKGBUILDDIR>>/src/mlpack/methods/quic_svd/quic_svd.cpp: In constructor 'mlpack::svd::QUIC_SVD::QUIC_SVD(const mat&, arma::mat&, arma::mat&, arma::mat&, double, double)':
/<<PKGBUILDDIR>>/src/mlpack/methods/quic_svd/quic_svd.cpp:33:51: warning: 'new' of type 'mlpack::tree::CosineTree' with extended alignment 16 [-Waligned-new=]
ctree = new CosineTree(dataset, epsilon, delta);
^
/<<PKGBUILDDIR>>/src/mlpack/methods/quic_svd/quic_svd.cpp:33:51: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/quic_svd/quic_svd.cpp:33:51: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/quic_svd/quic_svd.cpp:35:55: warning: 'new' of type 'mlpack::tree::CosineTree' with extended alignment 16 [-Waligned-new=]
ctree = new CosineTree(dataset.t(), epsilon, delta);
^
/<<PKGBUILDDIR>>/src/mlpack/methods/quic_svd/quic_svd.cpp:35:55: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/quic_svd/quic_svd.cpp:35:55: note: use '-faligned-new' to enable C++17 over-aligned new support
[ 20%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/randomized_svd/randomized_svd.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/randomized_svd/randomized_svd.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/randomized_svd/randomized_svd.cpp
[ 21%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/rann/ra_util.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/rann/ra_util.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/rann/ra_util.cpp
[ 21%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/regularized_svd/regularized_svd_function.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/regularized_svd/regularized_svd_function.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/regularized_svd/regularized_svd_function.cpp
[ 22%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/softmax_regression/softmax_regression_function.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/softmax_regression/softmax_regression_function.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/softmax_regression/softmax_regression_function.cpp
[ 22%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/sparse_autoencoder/sparse_autoencoder_function.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/sparse_autoencoder/sparse_autoencoder_function.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_autoencoder/sparse_autoencoder_function.cpp
[ 22%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/sparse_autoencoder/maximal_inputs.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/sparse_autoencoder/maximal_inputs.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_autoencoder/maximal_inputs.cpp
[ 23%] Building CXX object src/mlpack/CMakeFiles/mlpack.dir/methods/sparse_coding/sparse_coding.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -Dmlpack_EXPORTS -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -fPIC -std=gnu++11 -o CMakeFiles/mlpack.dir/methods/sparse_coding/sparse_coding.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_coding/sparse_coding.cpp
[ 23%] Linking CXX shared library ../../lib/libmlpack.so
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -fPIC -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -shared -Wl,-soname,libmlpack.so.2 -o ../../lib/libmlpack.so.2.2 CMakeFiles/mlpack.dir/core/data/load_csv.cpp.o CMakeFiles/mlpack.dir/core/data/load.cpp.o CMakeFiles/mlpack.dir/core/dists/discrete_distribution.cpp.o CMakeFiles/mlpack.dir/core/dists/gaussian_distribution.cpp.o CMakeFiles/mlpack.dir/core/dists/laplace_distribution.cpp.o CMakeFiles/mlpack.dir/core/dists/regression_distribution.cpp.o CMakeFiles/mlpack.dir/core/dists/gamma_distribution.cpp.o CMakeFiles/mlpack.dir/core/kernels/epanechnikov_kernel.cpp.o CMakeFiles/mlpack.dir/core/kernels/pspectrum_string_kernel.cpp.o CMakeFiles/mlpack.dir/core/math/columns_to_blocks.cpp.o CMakeFiles/mlpack.dir/core/math/lin_alg.cpp.o CMakeFiles/mlpack.dir/core/math/random.cpp.o CMakeFiles/mlpack.dir/core/math/random_basis.cpp.o CMakeFiles/mlpack.dir/core/optimizers/aug_lagrangian/aug_lagrangian_test_functions.cpp.o CMakeFiles/mlpack.dir/core/optimizers/gradient_descent/test_function.cpp.o CMakeFiles/mlpack.dir/core/optimizers/lbfgs/test_functions.cpp.o CMakeFiles/mlpack.dir/core/optimizers/sgd/test_function.cpp.o CMakeFiles/mlpack.dir/core/tree/cosine_tree/cosine_tree.cpp.o CMakeFiles/mlpack.dir/core/util/backtrace.cpp.o CMakeFiles/mlpack.dir/core/util/cli.cpp.o CMakeFiles/mlpack.dir/core/util/cli_deleter.cpp.o CMakeFiles/mlpack.dir/core/util/log.cpp.o CMakeFiles/mlpack.dir/core/util/option.cpp.o CMakeFiles/mlpack.dir/core/util/prefixedoutstream.cpp.o CMakeFiles/mlpack.dir/core/util/singletons.cpp.o CMakeFiles/mlpack.dir/core/util/timers.cpp.o CMakeFiles/mlpack.dir/core/util/version.cpp.o CMakeFiles/mlpack.dir/methods/cf/cf.cpp.o CMakeFiles/mlpack.dir/methods/det/dtree.cpp.o CMakeFiles/mlpack.dir/methods/det/dt_utils.cpp.o CMakeFiles/mlpack.dir/methods/fastmks/fastmks_model.cpp.o CMakeFiles/mlpack.dir/methods/gmm/gmm.cpp.o CMakeFiles/mlpack.dir/methods/lars/lars.cpp.o CMakeFiles/mlpack.dir/methods/linear_regression/linear_regression.cpp.o CMakeFiles/mlpack.dir/methods/local_coordinate_coding/lcc.cpp.o CMakeFiles/mlpack.dir/methods/matrix_completion/matrix_completion.cpp.o CMakeFiles/mlpack.dir/methods/neighbor_search/unmap.cpp.o CMakeFiles/mlpack.dir/methods/quic_svd/quic_svd.cpp.o CMakeFiles/mlpack.dir/methods/radical/radical.cpp.o CMakeFiles/mlpack.dir/methods/randomized_svd/randomized_svd.cpp.o CMakeFiles/mlpack.dir/methods/rann/ra_util.cpp.o CMakeFiles/mlpack.dir/methods/regularized_svd/regularized_svd_function.cpp.o CMakeFiles/mlpack.dir/methods/softmax_regression/softmax_regression_function.cpp.o CMakeFiles/mlpack.dir/methods/sparse_autoencoder/sparse_autoencoder_function.cpp.o CMakeFiles/mlpack.dir/methods/sparse_autoencoder/maximal_inputs.cpp.o CMakeFiles/mlpack.dir/methods/sparse_coding/sparse_coding.cpp.o -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack && /usr/bin/cmake -E cmake_symlink_library ../../lib/libmlpack.so.2.2 ../../lib/libmlpack.so.2 ../../lib/libmlpack.so
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 23%] Built target mlpack
make -f src/mlpack/methods/sparse_coding/CMakeFiles/mlpack_sparse_coding.dir/build.make src/mlpack/methods/sparse_coding/CMakeFiles/mlpack_sparse_coding.dir/depend
make -f src/mlpack/methods/adaboost/CMakeFiles/mlpack_adaboost.dir/build.make src/mlpack/methods/adaboost/CMakeFiles/mlpack_adaboost.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/adaboost /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/adaboost /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/adaboost/CMakeFiles/mlpack_adaboost.dir/DependInfo.cmake --color=
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_coding /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/sparse_coding /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/sparse_coding/CMakeFiles/mlpack_sparse_coding.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_adaboost
Scanning dependencies of target mlpack_sparse_coding
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/adaboost/CMakeFiles/mlpack_adaboost.dir/build.make src/mlpack/methods/adaboost/CMakeFiles/mlpack_adaboost.dir/build
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/sparse_coding/CMakeFiles/mlpack_sparse_coding.dir/build.make src/mlpack/methods/sparse_coding/CMakeFiles/mlpack_sparse_coding.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 24%] Building CXX object src/mlpack/methods/sparse_coding/CMakeFiles/mlpack_sparse_coding.dir/sparse_coding_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/sparse_coding && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_sparse_coding.dir/sparse_coding_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/sparse_coding/sparse_coding_main.cpp
[ 25%] Building CXX object src/mlpack/methods/adaboost/CMakeFiles/mlpack_adaboost.dir/adaboost_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/adaboost && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_adaboost.dir/adaboost_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/adaboost/adaboost_main.cpp
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/adaboost/adaboost_main.cpp:35:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const double&}; _Tp = double; _Alloc = std::allocator<double>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<double>::iterator {aka __gnu_cxx::__normal_iterator<double*, std::vector<double> >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::decision_stump::DecisionStump<arma::Mat<double> >&}; _Tp = mlpack::decision_stump::DecisionStump<>; _Alloc = std::allocator<mlpack::decision_stump::DecisionStump<> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::decision_stump::DecisionStump<>, std::allocator<mlpack::decision_stump::DecisionStump<> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::decision_stump::DecisionStump<>*, std::vector<mlpack::decision_stump::DecisionStump<>, std::allocator<mlpack::decision_stump::DecisionStump<> > > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::perceptron::Perceptron<mlpack::perceptron::SimpleWeightUpdate, mlpack::perceptron::ZeroInitialization, arma::Mat<double> >&}; _Tp = mlpack::perceptron::Perceptron<>; _Alloc = std::allocator<mlpack::perceptron::Perceptron<> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::perceptron::Perceptron<>, std::allocator<mlpack::perceptron::Perceptron<> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::perceptron::Perceptron<>*, std::vector<mlpack::perceptron::Perceptron<>, std::allocator<mlpack::perceptron::Perceptron<> > > >}' changed in GCC 7.1
In file included from /usr/include/c++/7/map:60:0,
from /usr/include/boost/serialization/map.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:66,
from /<<PKGBUILDDIR>>/src/mlpack/methods/adaboost/adaboost_main.cpp:35:
/usr/include/c++/7/bits/stl_tree.h: In function 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_emplace_hint_unique(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::const_iterator, _Args&& ...) [with _Args = {const std::piecewise_construct_t&, std::tuple<double&&>, std::tuple<>}; _Key = double; _Val = std::pair<const double, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const double, unsigned int> >; _Compare = std::less<double>; _Alloc = std::allocator<std::pair<const double, unsigned int> >]':
/usr/include/c++/7/bits/stl_tree.h:2395:7: note: parameter passing for argument of type 'std::_Rb_tree<double, std::pair<const double, unsigned int>, std::_Select1st<std::pair<const double, unsigned int> >, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const double, unsigned int> >}' changed in GCC 7.1
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/map:61:0,
from /usr/include/boost/serialization/map.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:66,
from /<<PKGBUILDDIR>>/src/mlpack/methods/adaboost/adaboost_main.cpp:35:
/usr/include/c++/7/bits/stl_map.h: In member function 'double mlpack::decision_stump::DecisionStump<MatType>::CountMostFreq(const VecType&) [with VecType = arma::subview_row<unsigned int>; MatType = arma::Mat<double>]':
/usr/include/c++/7/bits/stl_map.h:512:4: note: parameter passing for argument of type 'std::_Rb_tree<double, std::pair<const double, unsigned int>, std::_Select1st<std::pair<const double, unsigned int> >, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const double, unsigned int> >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
/usr/include/c++/7/bits/stl_map.h:512:4: note: parameter passing for argument of type 'std::_Rb_tree<double, std::pair<const double, unsigned int>, std::_Select1st<std::pair<const double, unsigned int> >, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const double, unsigned int> >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
[ 25%] Linking CXX executable ../../../../bin/mlpack_sparse_coding
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/sparse_coding && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_sparse_coding.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_sparse_coding.dir/sparse_coding_main.cpp.o -o ../../../../bin/mlpack_sparse_coding -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/adaboost/adaboost_main.cpp:35:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::adaboost::AdaBoost<WeakLearnerType, MatType>::Train(const MatType&, const arma::Row<unsigned int>&, const WeakLearnerType&, size_t, double) [with WeakLearnerType = mlpack::perceptron::Perceptron<>; MatType = arma::Mat<double>]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::perceptron::Perceptron<>*, std::vector<mlpack::perceptron::Perceptron<>, std::allocator<mlpack::perceptron::Perceptron<> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 25%] Built target mlpack_sparse_coding
make -f src/mlpack/methods/approx_kfn/CMakeFiles/mlpack_approx_kfn.dir/build.make src/mlpack/methods/approx_kfn/CMakeFiles/mlpack_approx_kfn.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/approx_kfn /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/approx_kfn/CMakeFiles/mlpack_approx_kfn.dir/DependInfo.cmake --color=
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/adaboost/adaboost_main.cpp:35:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
Scanning dependencies of target mlpack_approx_kfn
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/approx_kfn/CMakeFiles/mlpack_approx_kfn.dir/build.make src/mlpack/methods/approx_kfn/CMakeFiles/mlpack_approx_kfn.dir/build
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_sort_with_buffer(_RandomAccessIterator, _RandomAccessIterator, _Pointer, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Pointer = arma::arma_sort_index_packet<double>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2705:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_sort_with_buffer(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2705:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2695:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + __chunk_size, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2698:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2698:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 26%] Building CXX object src/mlpack/methods/approx_kfn/CMakeFiles/mlpack_approx_kfn.dir/approx_kfn_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/approx_kfn && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_approx_kfn.dir/approx_kfn_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_sort_with_buffer(_RandomAccessIterator, _RandomAccessIterator, _Pointer, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Pointer = arma::arma_sort_index_packet<double>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2705:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_sort_with_buffer(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2705:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2695:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + __chunk_size, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2698:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2698:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function '_RandomAccessIterator std::_V2::__rotate(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, std::random_access_iterator_tag) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >]':
/usr/include/c++/7/bits/stl_algo.h:1328:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__rotate(_RandomAccessIterator __first,
^~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1328:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1328:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_without_buffer(_BidirectionalIterator, _BidirectionalIterator, _BidirectionalIterator, _Distance, _Distance, _Compare) [with _BidirectionalIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_without_buffer(_BidirectionalIterator __first,
^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1444:40: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__iterator_category(__first));
^
/usr/include/c++/7/bits/stl_algo.h:2518:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__first, __first_cut, __new_middle,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len11, __len22, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2520:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__new_middle, __second_cut, __last,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len1 - __len11, __len2 - __len22, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__inplace_stable_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2761:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__inplace_stable_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2761:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2766:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2770:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__first, __middle, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2771:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__middle, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2772:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__first, __middle, __last,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
__middle - __first,
~~~~~~~~~~~~~~~~~~~
__last - __middle,
~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_without_buffer(_BidirectionalIterator, _BidirectionalIterator, _BidirectionalIterator, _Distance, _Distance, _Compare) [with _BidirectionalIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_without_buffer(_BidirectionalIterator __first,
^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1444:40: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__iterator_category(__first));
^
/usr/include/c++/7/bits/stl_algo.h:2518:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__first, __first_cut, __new_middle,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len11, __len22, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2520:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__new_middle, __second_cut, __last,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len1 - __len11, __len2 - __len22, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__inplace_stable_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2761:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__inplace_stable_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2761:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2766:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2770:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__first, __middle, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2771:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__middle, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2772:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__first, __middle, __last,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
__middle - __first,
~~~~~~~~~~~~~~~~~~~
__last - __middle,
~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function '_BidirectionalIterator1 std::__rotate_adaptive(_BidirectionalIterator1, _BidirectionalIterator1, _BidirectionalIterator1, _Distance, _Distance, _BidirectionalIterator2, _Distance) [with _BidirectionalIterator1 = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _BidirectionalIterator2 = arma::arma_sort_index_packet<double>*; _Distance = int]':
/usr/include/c++/7/bits/stl_algo.h:2373:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__rotate_adaptive(_BidirectionalIterator1 __first,
^~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2373:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2373:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1444:40: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__iterator_category(__first));
^
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_adaptive(_BidirectionalIterator, _BidirectionalIterator, _BidirectionalIterator, _Distance, _Distance, _Pointer, _Distance, _Compare) [with _BidirectionalIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Pointer = arma::arma_sort_index_packet<double>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_adaptive(_BidirectionalIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2459:27: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
_BidirectionalIterator __new_middle
^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2463:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__first, __first_cut, __new_middle, __len11,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len22, __buffer, __buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2465:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__new_middle, __second_cut, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len1 - __len11,
~~~~~~~~~~~~~~~~~
__len2 - __len22, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__stable_sort_adaptive(_RandomAccessIterator, _RandomAccessIterator, _Pointer, _Distance, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Pointer = arma::arma_sort_index_packet<double>*; _Distance = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__stable_sort_adaptive(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2741:31: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__first, __middle, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2743:31: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__middle, __last, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2748:33: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_sort_with_buffer(__first, __middle, __buffer, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2749:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_sort_with_buffer(__middle, __last, __buffer, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2751:28: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__first, __middle, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
_Distance(__middle - __first),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_Distance(__last - __middle),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer, __buffer_size,
~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_adaptive(_BidirectionalIterator, _BidirectionalIterator, _BidirectionalIterator, _Distance, _Distance, _Pointer, _Distance, _Compare) [with _BidirectionalIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Pointer = arma::arma_sort_index_packet<double>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_adaptive(_BidirectionalIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2459:27: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
_BidirectionalIterator __new_middle
^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2463:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__first, __first_cut, __new_middle, __len11,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len22, __buffer, __buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2465:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__new_middle, __second_cut, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len1 - __len11,
~~~~~~~~~~~~~~~~~
__len2 - __len22, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__stable_sort_adaptive(_RandomAccessIterator, _RandomAccessIterator, _Pointer, _Distance, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Pointer = arma::arma_sort_index_packet<double>*; _Distance = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__stable_sort_adaptive(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2741:31: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__first, __middle, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2743:31: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__middle, __last, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2748:33: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_sort_with_buffer(__first, __middle, __buffer, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2749:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_sort_with_buffer(__middle, __last, __buffer, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2751:28: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__first, __middle, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
_Distance(__middle - __first),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_Distance(__last - __middle),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer, __buffer_size,
~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'bool arma::arma_sort_index_helper(arma::Mat<unsigned int>&, const arma::Proxy<T1>&, arma::uword) [with T1 = arma::Op<arma::subview_row<double>, arma::op_htrans>; bool sort_stable = true]':
/usr/include/c++/7/bits/stl_algo.h:5008:29: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__first, __last, __buf.begin(),
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_DistanceType(__buf.size()), __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:5006:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:5008:29: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__first, __last, __buf.begin(),
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_DistanceType(__buf.size()), __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:5006:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/adaboost/adaboost_main.cpp:35:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::adaboost::AdaBoost<WeakLearnerType, MatType>::Train(const MatType&, const arma::Row<unsigned int>&, const WeakLearnerType&, size_t, double) [with WeakLearnerType = mlpack::decision_stump::DecisionStump<>; MatType = arma::Mat<double>]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::decision_stump::DecisionStump<>*, std::vector<mlpack::decision_stump::DecisionStump<>, std::allocator<mlpack::decision_stump::DecisionStump<> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[ 26%] Linking CXX executable ../../../../bin/mlpack_adaboost
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/adaboost && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_adaboost.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_adaboost.dir/adaboost_main.cpp.o -o ../../../../bin/mlpack_adaboost -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 26%] Built target mlpack_adaboost
make -f src/mlpack/methods/cf/CMakeFiles/mlpack_cf.dir/build.make src/mlpack/methods/cf/CMakeFiles/mlpack_cf.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/cf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/cf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/cf/CMakeFiles/mlpack_cf.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_cf
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/cf/CMakeFiles/mlpack_cf.dir/build.make src/mlpack/methods/cf/CMakeFiles/mlpack_cf.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 26%] Building CXX object src/mlpack/methods/cf/CMakeFiles/mlpack_cf.dir/cf_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/cf && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_cf.dir/cf_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf_main.cpp
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:13:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In copy constructor 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(const mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>(*other.pointsIndex);
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In member function 'void mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SplitNode(arma::Col<unsigned int>&, size_t, double, double)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:13:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In constructor 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>&&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
other.referenceSet = new arma::mat(); // Empty dataset.
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:247:58: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:13:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:87:33: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(const MatType&, mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:245:32: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/cf/cf.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/regularized_svd/regularized_svd.hpp:18,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In copy constructor 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(const mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>(*other.pointsIndex);
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In member function 'void mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SplitNode(arma::Col<unsigned int>&, size_t, double, double)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/cf/cf.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/regularized_svd/regularized_svd.hpp:18,
from /<<PKGBUILDDIR>>/src/mlpack/methods/cf/cf_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In constructor 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>&&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
other.referenceSet = new arma::mat(); // Empty dataset.
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const std::pair<double, unsigned int>&}; _Tp = std::pair<double, unsigned int>; _Alloc = std::allocator<std::pair<double, unsigned int> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<std::pair<double, unsigned int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::less<std::pair<double, unsigned int> > >]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void mlpack::neighbor::QDAFN<MatType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with MatType = arma::Mat<double>]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::neighbor::DrusillaSelect<MatType>::Train(const MatType&, size_t, size_t) [with MatType = arma::Mat<double>]::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::tree::EmptyStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::DrusillaSelect<MatType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with MatType = arma::Mat<double>]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::NeighborSearchRules<SortPolicy, MetricType, TreeType>::InsertNeighbor(size_t, size_t, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&) [with RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::GreedySingleTreeTraverser<TreeType, RuleType>::Traverse(size_t, TreeType&) [with TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::DrusillaSelect<MatType>::Train(const MatType&, size_t, size_t) [with MatType = arma::Mat<double>]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Tp = arma::arma_sort_index_packet<double>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Tp = arma::arma_sort_index_packet<double>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/approx_kfn/approx_kfn_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'bool arma::arma_sort_index_helper(arma::Mat<unsigned int>&, const arma::Proxy<T1>&, arma::uword) [with T1 = arma::subview_col<double>; bool sort_stable = false]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
[ 26%] Linking CXX executable ../../../../bin/mlpack_approx_kfn
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/approx_kfn && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_approx_kfn.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_approx_kfn.dir/approx_kfn_main.cpp.o -o ../../../../bin/mlpack_approx_kfn -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
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make -f src/mlpack/methods/decision_stump/CMakeFiles/mlpack_decision_stump.dir/build.make src/mlpack/methods/decision_stump/CMakeFiles/mlpack_decision_stump.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/decision_stump /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/decision_stump /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/decision_stump/CMakeFiles/mlpack_decision_stump.dir/DependInfo.cmake --color=
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cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/decision_stump && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_decision_stump.dir/decision_stump_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/decision_stump/decision_stump_main.cpp
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cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/cf && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_cf.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_cf.dir/cf_main.cpp.o -o ../../../../bin/mlpack_cf -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 28%] Built target mlpack_cf
make -f src/mlpack/methods/decision_tree/CMakeFiles/mlpack_decision_tree.dir/build.make src/mlpack/methods/decision_tree/CMakeFiles/mlpack_decision_tree.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/decision_tree /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/decision_tree/CMakeFiles/mlpack_decision_tree.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_decision_tree
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/decision_tree/CMakeFiles/mlpack_decision_tree.dir/build.make src/mlpack/methods/decision_tree/CMakeFiles/mlpack_decision_tree.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 29%] Building CXX object src/mlpack/methods/decision_tree/CMakeFiles/mlpack_decision_tree.dir/decision_tree_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/decision_tree && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_decision_tree.dir/decision_tree_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree.hpp:286:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:13:
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp: In instantiation of 'void mlpack::tree::DecisionTree<FitnessFunction, NumericSplitType, CategoricalSplitType, ElemType, NoRecursion>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::xml_oarchive; FitnessFunction = mlpack::tree::GiniGain; NumericSplitType = mlpack::tree::BestBinaryNumericSplit; CategoricalSplitType = mlpack::tree::AllCategoricalSplit; ElemType = double; bool NoRecursion = false]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:28:1: required by substitution of 'template<class _1> static char (& mlpack::data::HasSerializeCheck<mlpack::tree::DecisionTree<>, void (mlpack::tree::DecisionTree<>::*)(boost::archive::xml_oarchive&, unsigned int)>::chk<_1>(mlpack::data::HasSerializeCheck<mlpack::tree::DecisionTree<>, void (mlpack::tree::DecisionTree<>::*)(boost::archive::xml_oarchive&, unsigned int)>::type_check<void (mlpack::tree::DecisionTree<>::*)(boost::archive::xml_oarchive&, unsigned int), (& _1:: Serialize)>*))[1] [with _1 = mlpack::tree::DecisionTree<>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:28:1: required from 'const bool mlpack::data::HasSerializeCheck<mlpack::tree::DecisionTree<>, void (mlpack::tree::DecisionTree<>::*)(boost::archive::xml_oarchive&, unsigned int)>::value'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:38:67: required from 'const bool mlpack::data::HasSerializeFunction<mlpack::tree::DecisionTree<> >::value'
/usr/include/boost/core/enable_if.hpp:41:10: required from 'struct boost::enable_if<mlpack::data::HasSerializeFunction<mlpack::tree::DecisionTree<> >, void>'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:51:36: required by substitution of 'template<class U> static char (& mlpack::data::HasSerialize<mlpack::tree::DecisionTree<> >::chk<U>(mlpack::data::HasSerialize<mlpack::tree::DecisionTree<> >::check<U, typename boost::enable_if<boost::is_class<T>, void>::type*, typename boost::enable_if<mlpack::data::HasSerializeFunction<U>, void>::type*>*))[1] [with U = mlpack::tree::DecisionTree<>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:57:43: required from 'const bool mlpack::data::HasSerialize<mlpack::tree::DecisionTree<> >::value'
/usr/include/boost/core/enable_if.hpp:64:10: required from 'struct boost::disable_if<mlpack::data::HasSerialize<mlpack::tree::DecisionTree<> >, void>'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:127:30: required by substitution of 'template<class T> const boost::serialization::nvp<T> mlpack::data::CreateNVP(T&, const string&, typename boost::disable_if<mlpack::data::HasSerialize<T> >::type*, typename boost::disable_if<boost::is_pointer<T> >::type*) [with T = mlpack::tree::DecisionTree<>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:83:38: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: warning: 'new' of type 'mlpack::tree::DecisionTree<>' with extended alignment 16 [-Waligned-new=]
children[i] = new DecisionTree();
^~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp: In instantiation of 'void mlpack::tree::DecisionTree<FitnessFunction, NumericSplitType, CategoricalSplitType, ElemType, NoRecursion>::Train(const MatType&, const arma::Row<unsigned int>&, size_t, size_t) [with MatType = arma::Mat<double>; FitnessFunction = mlpack::tree::GiniGain; NumericSplitType = mlpack::tree::BestBinaryNumericSplit; CategoricalSplitType = mlpack::tree::AllCategoricalSplit; ElemType = double; bool NoRecursion = false; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:56:8: required from 'mlpack::tree::DecisionTree<FitnessFunction, NumericSplitType, CategoricalSplitType, ElemType, NoRecursion>::DecisionTree(const MatType&, const arma::Row<unsigned int>&, size_t, size_t) [with MatType = arma::Mat<double>; FitnessFunction = mlpack::tree::GiniGain; NumericSplitType = mlpack::tree::BestBinaryNumericSplit; CategoricalSplitType = mlpack::tree::AllCategoricalSplit; ElemType = double; bool NoRecursion = false; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:149:20: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:419:28: warning: 'new' of type 'mlpack::tree::DecisionTree<>' with extended alignment 16 [-Waligned-new=]
children.push_back(new DecisionTree(childPoints, childLabels,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
numClasses, childPoints.n_cols));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:419:28: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:419:28: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:422:28: warning: 'new' of type 'mlpack::tree::DecisionTree<>' with extended alignment 16 [-Waligned-new=]
children.push_back(new DecisionTree(childPoints, childLabels,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
numClasses, minimumLeafSize));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:422:28: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:422:28: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp: In instantiation of 'void mlpack::tree::DecisionTree<FitnessFunction, NumericSplitType, CategoricalSplitType, ElemType, NoRecursion>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::xml_iarchive; FitnessFunction = mlpack::tree::GiniGain; NumericSplitType = mlpack::tree::BestBinaryNumericSplit; CategoricalSplitType = mlpack::tree::AllCategoricalSplit; ElemType = double; bool NoRecursion = false]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::tree::DecisionTree<>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/archive/detail/iserializer.hpp:188:40: required from 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/archive/detail/iserializer.hpp:120:1: [ skipping 21 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/basic_xml_iarchive.hpp:78:9: required from 'void boost::archive::basic_xml_iarchive<Archive>::load_override(const boost::serialization::nvp<T>&) [with T = mlpack::data::SecondShim<DecisionTreeModel>; Archive = boost::archive::xml_iarchive]'
/usr/include/boost/archive/xml_iarchive.hpp:95:51: required from 'void boost::archive::xml_iarchive_impl<Archive>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::xml_iarchive]'
/usr/include/boost/archive/detail/interface_iarchive.hpp:68:9: required from 'Archive& boost::archive::detail::interface_iarchive<Archive>::operator>>(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::xml_iarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:401:14: required from 'Archive& mlpack::data::operator>>(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::xml_iarchive; T = DecisionTreeModel]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:95:10: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = DecisionTreeModel; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:173:13: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: warning: 'new' of type 'mlpack::tree::DecisionTree<>' with extended alignment 16 [-Waligned-new=]
children[i] = new DecisionTree();
^~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp: In instantiation of 'void mlpack::tree::DecisionTree<FitnessFunction, NumericSplitType, CategoricalSplitType, ElemType, NoRecursion>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::text_oarchive; FitnessFunction = mlpack::tree::GiniGain; NumericSplitType = mlpack::tree::BestBinaryNumericSplit; CategoricalSplitType = mlpack::tree::AllCategoricalSplit; ElemType = double; bool NoRecursion = false]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::tree::DecisionTree<>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/archive/detail/oserializer.hpp:149:40: required from 'void boost::archive::detail::oserializer<Archive, T>::save_object_data(boost::archive::detail::basic_oarchive&, const void*) const [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/archive/detail/oserializer.hpp:102:1: [ skipping 47 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/detail/common_oarchive.hpp:70:22: required from 'void boost::archive::detail::common_oarchive<Archive>::save_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::text_oarchive]'
/usr/include/boost/archive/basic_text_oarchive.hpp:83:9: required from 'void boost::archive::basic_text_oarchive<Archive>::save_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::text_oarchive]'
/usr/include/boost/archive/detail/interface_oarchive.hpp:70:9: required from 'Archive& boost::archive::detail::interface_oarchive<Archive>::operator<<(const T&) [with T = boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::text_oarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:373:14: required from 'Archive& mlpack::data::operator<<(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::text_oarchive; T = DecisionTreeModel]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/save_impl.hpp:252:10: required from 'bool mlpack::data::Save(const string&, const string&, T&, bool, mlpack::data::format) [with T = DecisionTreeModel; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:215:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: warning: 'new' of type 'mlpack::tree::DecisionTree<>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp: In instantiation of 'void mlpack::tree::DecisionTree<FitnessFunction, NumericSplitType, CategoricalSplitType, ElemType, NoRecursion>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::text_iarchive; FitnessFunction = mlpack::tree::GiniGain; NumericSplitType = mlpack::tree::BestBinaryNumericSplit; CategoricalSplitType = mlpack::tree::AllCategoricalSplit; ElemType = double; bool NoRecursion = false]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::tree::DecisionTree<>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/archive/detail/iserializer.hpp:188:40: required from 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/archive/detail/iserializer.hpp:120:1: [ skipping 51 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/basic_text_iarchive.hpp:70:9: required from 'void boost::archive::basic_text_iarchive<Archive>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::text_iarchive]'
/usr/include/boost/archive/text_iarchive.hpp:82:52: required from 'void boost::archive::text_iarchive_impl<Archive>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::text_iarchive]'
/usr/include/boost/archive/detail/interface_iarchive.hpp:68:9: required from 'Archive& boost::archive::detail::interface_iarchive<Archive>::operator>>(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::text_iarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:401:14: required from 'Archive& mlpack::data::operator>>(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::text_iarchive; T = DecisionTreeModel]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:100:10: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = DecisionTreeModel; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:173:13: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: warning: 'new' of type 'mlpack::tree::DecisionTree<>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp: In instantiation of 'void mlpack::tree::DecisionTree<FitnessFunction, NumericSplitType, CategoricalSplitType, ElemType, NoRecursion>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_iarchive; FitnessFunction = mlpack::tree::GiniGain; NumericSplitType = mlpack::tree::BestBinaryNumericSplit; CategoricalSplitType = mlpack::tree::AllCategoricalSplit; ElemType = double; bool NoRecursion = false]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::tree::DecisionTree<>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/archive/detail/iserializer.hpp:188:40: required from 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/archive/detail/iserializer.hpp:120:1: [ skipping 51 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/basic_binary_iarchive.hpp:75:7: required from 'void boost::archive::basic_binary_iarchive<Archive>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::binary_iarchive]'
/usr/include/boost/archive/binary_iarchive_impl.hpp:58:9: required from 'void boost::archive::binary_iarchive_impl<Archive, Elem, Tr>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::binary_iarchive; Elem = char; Tr = std::char_traits<char>]'
/usr/include/boost/archive/detail/interface_iarchive.hpp:68:9: required from 'Archive& boost::archive::detail::interface_iarchive<Archive>::operator>>(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::binary_iarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:401:14: required from 'Archive& mlpack::data::operator>>(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::binary_iarchive; T = DecisionTreeModel]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:105:10: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = DecisionTreeModel; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:173:13: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: warning: 'new' of type 'mlpack::tree::DecisionTree<>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp: In instantiation of 'void mlpack::tree::DecisionTree<FitnessFunction, NumericSplitType, CategoricalSplitType, ElemType, NoRecursion>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_oarchive; FitnessFunction = mlpack::tree::GiniGain; NumericSplitType = mlpack::tree::BestBinaryNumericSplit; CategoricalSplitType = mlpack::tree::AllCategoricalSplit; ElemType = double; bool NoRecursion = false]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::tree::DecisionTree<>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/archive/detail/oserializer.hpp:149:40: required from 'void boost::archive::detail::oserializer<Archive, T>::save_object_data(boost::archive::detail::basic_oarchive&, const void*) const [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::DecisionTree<> >]'
/usr/include/boost/archive/detail/oserializer.hpp:102:1: [ skipping 51 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/basic_binary_oarchive.hpp:80:7: required from 'void boost::archive::basic_binary_oarchive<Archive>::save_override(const T&) [with T = boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::binary_oarchive]'
/usr/include/boost/archive/binary_oarchive_impl.hpp:59:9: required from 'void boost::archive::binary_oarchive_impl<Archive, Elem, Tr>::save_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::binary_oarchive; Elem = char; Tr = std::char_traits<char>]'
/usr/include/boost/archive/detail/interface_oarchive.hpp:70:9: required from 'Archive& boost::archive::detail::interface_oarchive<Archive>::operator<<(const T&) [with T = boost::serialization::nvp<mlpack::data::SecondShim<DecisionTreeModel> >; Archive = boost::archive::binary_oarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:373:14: required from 'Archive& mlpack::data::operator<<(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::binary_oarchive; T = DecisionTreeModel]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/save_impl.hpp:257:10: required from 'bool mlpack::data::Save(const string&, const string&, T&, bool, mlpack::data::format) [with T = DecisionTreeModel; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:215:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: warning: 'new' of type 'mlpack::tree::DecisionTree<>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_impl.hpp:577:21: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /usr/include/c++/7/map:60:0,
from /usr/include/boost/serialization/map.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:66,
from /<<PKGBUILDDIR>>/src/mlpack/methods/decision_stump/decision_stump_main.cpp:12:
/usr/include/c++/7/bits/stl_tree.h: In function 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_emplace_hint_unique(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::const_iterator, _Args&& ...) [with _Args = {const std::piecewise_construct_t&, std::tuple<double&&>, std::tuple<>}; _Key = double; _Val = std::pair<const double, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const double, unsigned int> >; _Compare = std::less<double>; _Alloc = std::allocator<std::pair<const double, unsigned int> >]':
/usr/include/c++/7/bits/stl_tree.h:2395:7: note: parameter passing for argument of type 'std::_Rb_tree<double, std::pair<const double, unsigned int>, std::_Select1st<std::pair<const double, unsigned int> >, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const double, unsigned int> >}' changed in GCC 7.1
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/map:61:0,
from /usr/include/boost/serialization/map.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:66,
from /<<PKGBUILDDIR>>/src/mlpack/methods/decision_stump/decision_stump_main.cpp:12:
/usr/include/c++/7/bits/stl_map.h: In member function 'double mlpack::decision_stump::DecisionStump<MatType>::CountMostFreq(const VecType&) [with VecType = arma::subview_row<unsigned int>; MatType = arma::Mat<double>]':
/usr/include/c++/7/bits/stl_map.h:512:4: note: parameter passing for argument of type 'std::_Rb_tree<double, std::pair<const double, unsigned int>, std::_Select1st<std::pair<const double, unsigned int> >, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const double, unsigned int> >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
/usr/include/c++/7/bits/stl_map.h:512:4: note: parameter passing for argument of type 'std::_Rb_tree<double, std::pair<const double, unsigned int>, std::_Select1st<std::pair<const double, unsigned int> >, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const double, unsigned int> >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/decision_stump/decision_stump_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_sort_with_buffer(_RandomAccessIterator, _RandomAccessIterator, _Pointer, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Pointer = arma::arma_sort_index_packet<double>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2705:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_sort_with_buffer(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2705:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2695:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + __chunk_size, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2698:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2698:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_sort_with_buffer(_RandomAccessIterator, _RandomAccessIterator, _Pointer, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Pointer = arma::arma_sort_index_packet<double>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2705:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_sort_with_buffer(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2705:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2695:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + __chunk_size, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2698:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2698:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function '_RandomAccessIterator std::_V2::__rotate(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, std::random_access_iterator_tag) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >]':
/usr/include/c++/7/bits/stl_algo.h:1328:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__rotate(_RandomAccessIterator __first,
^~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1328:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1328:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_without_buffer(_BidirectionalIterator, _BidirectionalIterator, _BidirectionalIterator, _Distance, _Distance, _Compare) [with _BidirectionalIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_without_buffer(_BidirectionalIterator __first,
^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1444:40: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__iterator_category(__first));
^
/usr/include/c++/7/bits/stl_algo.h:2518:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__first, __first_cut, __new_middle,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len11, __len22, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2520:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__new_middle, __second_cut, __last,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len1 - __len11, __len2 - __len22, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__inplace_stable_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2761:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__inplace_stable_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2761:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2766:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2770:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__first, __middle, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2771:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__middle, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2772:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__first, __middle, __last,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
__middle - __first,
~~~~~~~~~~~~~~~~~~~
__last - __middle,
~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_without_buffer(_BidirectionalIterator, _BidirectionalIterator, _BidirectionalIterator, _Distance, _Distance, _Compare) [with _BidirectionalIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_without_buffer(_BidirectionalIterator __first,
^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2476:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1444:40: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__iterator_category(__first));
^
/usr/include/c++/7/bits/stl_algo.h:2518:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__first, __first_cut, __new_middle,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len11, __len22, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2520:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__new_middle, __second_cut, __last,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len1 - __len11, __len2 - __len22, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__inplace_stable_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2761:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__inplace_stable_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2761:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2766:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2770:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__first, __middle, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2771:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__middle, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2772:34: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_without_buffer(__first, __middle, __last,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
__middle - __first,
~~~~~~~~~~~~~~~~~~~
__last - __middle,
~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function '_BidirectionalIterator1 std::__rotate_adaptive(_BidirectionalIterator1, _BidirectionalIterator1, _BidirectionalIterator1, _Distance, _Distance, _BidirectionalIterator2, _Distance) [with _BidirectionalIterator1 = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _BidirectionalIterator2 = arma::arma_sort_index_packet<double>*; _Distance = int]':
/usr/include/c++/7/bits/stl_algo.h:2373:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__rotate_adaptive(_BidirectionalIterator1 __first,
^~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2373:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2373:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1444:40: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__iterator_category(__first));
^
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_adaptive(_BidirectionalIterator, _BidirectionalIterator, _BidirectionalIterator, _Distance, _Distance, _Pointer, _Distance, _Compare) [with _BidirectionalIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Pointer = arma::arma_sort_index_packet<double>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_adaptive(_BidirectionalIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2459:27: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
_BidirectionalIterator __new_middle
^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2463:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__first, __first_cut, __new_middle, __len11,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len22, __buffer, __buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2465:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__new_middle, __second_cut, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len1 - __len11,
~~~~~~~~~~~~~~~~~
__len2 - __len22, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__stable_sort_adaptive(_RandomAccessIterator, _RandomAccessIterator, _Pointer, _Distance, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Pointer = arma::arma_sort_index_packet<double>*; _Distance = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__stable_sort_adaptive(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2741:31: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__first, __middle, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2743:31: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__middle, __last, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2748:33: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_sort_with_buffer(__first, __middle, __buffer, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2749:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_sort_with_buffer(__middle, __last, __buffer, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2751:28: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__first, __middle, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
_Distance(__middle - __first),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_Distance(__last - __middle),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer, __buffer_size,
~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__merge_adaptive(_BidirectionalIterator, _BidirectionalIterator, _BidirectionalIterator, _Distance, _Distance, _Pointer, _Distance, _Compare) [with _BidirectionalIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Pointer = arma::arma_sort_index_packet<double>*; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__merge_adaptive(_BidirectionalIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2415:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2459:27: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
_BidirectionalIterator __new_middle
^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2463:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__first, __first_cut, __new_middle, __len11,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len22, __buffer, __buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2465:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__new_middle, __second_cut, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__len1 - __len11,
~~~~~~~~~~~~~~~~~
__len2 - __len22, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__stable_sort_adaptive(_RandomAccessIterator, _RandomAccessIterator, _Pointer, _Distance, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Pointer = arma::arma_sort_index_packet<double>*; _Distance = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__stable_sort_adaptive(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2732:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:2741:31: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__first, __middle, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2743:31: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__middle, __last, __buffer,
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer_size, __comp);
~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2748:33: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_sort_with_buffer(__first, __middle, __buffer, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2749:33: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_sort_with_buffer(__middle, __last, __buffer, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:2751:28: note: parameter passing for argument of type 'const __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__merge_adaptive(__first, __middle, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
_Distance(__middle - __first),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_Distance(__last - __middle),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__buffer, __buffer_size,
~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'bool arma::arma_sort_index_helper(arma::Mat<unsigned int>&, const arma::Proxy<T1>&, arma::uword) [with T1 = arma::Op<arma::subview_row<double>, arma::op_htrans>; bool sort_stable = true]':
/usr/include/c++/7/bits/stl_algo.h:5008:29: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__first, __last, __buf.begin(),
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_DistanceType(__buf.size()), __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:5006:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:5008:29: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__stable_sort_adaptive(__first, __last, __buf.begin(),
~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
_DistanceType(__buf.size()), __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:5006:28: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__inplace_stable_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core.hpp:218,
from /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core.hpp:218,
from /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Tp = arma::arma_sort_index_packet<double>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core.hpp:218,
from /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core.hpp:218,
from /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Tp = arma::arma_sort_index_packet<double>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core.hpp:218,
from /<<PKGBUILDDIR>>/src/mlpack/methods/decision_tree/decision_tree_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'bool arma::arma_sort_index_helper(arma::Mat<unsigned int>&, const arma::Proxy<T1>&, arma::uword) [with T1 = arma::subview<double>; bool sort_stable = false]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
[ 29%] Linking CXX executable ../../../../bin/mlpack_decision_stump
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/decision_stump && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_decision_stump.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_decision_stump.dir/decision_stump_main.cpp.o -o ../../../../bin/mlpack_decision_stump -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 29%] Built target mlpack_decision_stump
make -f src/mlpack/methods/det/CMakeFiles/mlpack_det.dir/build.make src/mlpack/methods/det/CMakeFiles/mlpack_det.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/det /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/det /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/det/CMakeFiles/mlpack_det.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_det
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/det/CMakeFiles/mlpack_det.dir/build.make src/mlpack/methods/det/CMakeFiles/mlpack_det.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 30%] Building CXX object src/mlpack/methods/det/CMakeFiles/mlpack_det.dir/det_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/det && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_det.dir/det_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/det/det_main.cpp
[ 30%] Linking CXX executable ../../../../bin/mlpack_decision_tree
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/decision_tree && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_decision_tree.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_decision_tree.dir/decision_tree_main.cpp.o -o ../../../../bin/mlpack_decision_tree -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 30%] Built target mlpack_decision_tree
make -f src/mlpack/methods/emst/CMakeFiles/mlpack_emst.dir/build.make src/mlpack/methods/emst/CMakeFiles/mlpack_emst.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/emst /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/emst /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/emst/CMakeFiles/mlpack_emst.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_emst
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/emst/CMakeFiles/mlpack_emst.dir/build.make src/mlpack/methods/emst/CMakeFiles/mlpack_emst.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 31%] Building CXX object src/mlpack/methods/emst/CMakeFiles/mlpack_emst.dir/emst_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/emst && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_emst.dir/emst_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/emst/emst_main.cpp
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb.hpp:34,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/emst_main.cpp:27:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::emst::DTBStat; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/emst/emst_main.cpp:101:17: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb_stat.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb.hpp:28,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/emst_main.cpp:27:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {mlpack::emst::EdgePair}; _Tp = mlpack::emst::EdgePair; _Alloc = std::allocator<mlpack::emst::EdgePair>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::emst::EdgePair>::iterator {aka __gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void mlpack::emst::DualTreeBoruvka<MetricType, MatType, TreeType>::AddAllEdges() [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb_stat.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb.hpp:28,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/emst_main.cpp:27:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::emst::DualTreeBoruvka<>::SortEdgesHelper>]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb_stat.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb.hpp:28,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/emst_main.cpp:27:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >; _Distance = int; _Tp = mlpack::emst::EdgePair; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::emst::DualTreeBoruvka<>::SortEdgesHelper>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb_stat.hpp:15,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/dtb.hpp:28,
from /<<PKGBUILDDIR>>/src/mlpack/methods/emst/emst_main.cpp:27:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::emst::DualTreeBoruvka<>::SortEdgesHelper>]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::emst::DualTreeBoruvka<MetricType, MatType, TreeType>::EmitResults(arma::mat&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::emst::EdgePair*, std::vector<mlpack::emst::EdgePair> >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
[ 31%] Linking CXX executable ../../../../bin/mlpack_emst
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/emst && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_emst.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_emst.dir/emst_main.cpp.o -o ../../../../bin/mlpack_emst -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 31%] Built target mlpack_emst
make -f src/mlpack/methods/fastmks/CMakeFiles/mlpack_fastmks.dir/build.make src/mlpack/methods/fastmks/CMakeFiles/mlpack_fastmks.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/fastmks /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/fastmks/CMakeFiles/mlpack_fastmks.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_fastmks
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/fastmks/CMakeFiles/mlpack_fastmks.dir/build.make src/mlpack/methods/fastmks/CMakeFiles/mlpack_fastmks.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 32%] Building CXX object src/mlpack/methods/fastmks/CMakeFiles/mlpack_fastmks.dir/fastmks_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/fastmks && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_fastmks.dir/fastmks_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_main.cpp
[ 32%] Linking CXX executable ../../../../bin/mlpack_det
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/det && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_det.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_det.dir/det_main.cpp.o -o ../../../../bin/mlpack_det -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 32%] Built target mlpack_det
make -f src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_generate.dir/build.make src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_generate.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/gmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_generate.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_gmm_generate
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_generate.dir/build.make src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_generate.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 32%] Building CXX object src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_generate.dir/gmm_generate_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_gmm_generate.dir/gmm_generate_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/gmm_generate_main.cpp
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks.hpp:278:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_main.cpp:17:
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp: In instantiation of 'mlpack::fastmks::FastMKS<KernelType, MatType, TreeType>::FastMKS(bool, bool) [with KernelType = mlpack::kernel::LinearKernel; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree]':
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model_impl.hpp:92:16: required from 'void mlpack::fastmks::FastMKSModel::BuildModel(const mat&, TKernelType&, bool, bool, double) [with TKernelType = mlpack::kernel::LinearKernel; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_main.cpp:167:62: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet(new MatType()),
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp: In instantiation of 'mlpack::fastmks::FastMKS<KernelType, MatType, TreeType>::FastMKS(bool, bool) [with KernelType = mlpack::kernel::PolynomialKernel; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree]':
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model_impl.hpp:97:20: required from 'void mlpack::fastmks::FastMKSModel::BuildModel(const mat&, TKernelType&, bool, bool, double) [with TKernelType = mlpack::kernel::LinearKernel; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_main.cpp:167:62: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp: In instantiation of 'mlpack::fastmks::FastMKS<KernelType, MatType, TreeType>::FastMKS(bool, bool) [with KernelType = mlpack::kernel::CosineDistance; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree]':
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model_impl.hpp:102:16: required from 'void mlpack::fastmks::FastMKSModel::BuildModel(const mat&, TKernelType&, bool, bool, double) [with TKernelType = mlpack::kernel::LinearKernel; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_main.cpp:167:62: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp: In instantiation of 'mlpack::fastmks::FastMKS<KernelType, MatType, TreeType>::FastMKS(bool, bool) [with KernelType = mlpack::kernel::GaussianKernel; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree]':
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model_impl.hpp:107:18: required from 'void mlpack::fastmks::FastMKSModel::BuildModel(const mat&, TKernelType&, bool, bool, double) [with TKernelType = mlpack::kernel::LinearKernel; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_main.cpp:167:62: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp: In instantiation of 'mlpack::fastmks::FastMKS<KernelType, MatType, TreeType>::FastMKS(bool, bool) [with KernelType = mlpack::kernel::EpanechnikovKernel; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree]':
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model_impl.hpp:112:14: required from 'void mlpack::fastmks::FastMKSModel::BuildModel(const mat&, TKernelType&, bool, bool, double) [with TKernelType = mlpack::kernel::LinearKernel; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_main.cpp:167:62: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp: In instantiation of 'mlpack::fastmks::FastMKS<KernelType, MatType, TreeType>::FastMKS(bool, bool) [with KernelType = mlpack::kernel::TriangularKernel; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree]':
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model_impl.hpp:117:20: required from 'void mlpack::fastmks::FastMKSModel::BuildModel(const mat&, TKernelType&, bool, bool, double) [with TKernelType = mlpack::kernel::LinearKernel; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_main.cpp:167:62: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp: In instantiation of 'mlpack::fastmks::FastMKS<KernelType, MatType, TreeType>::FastMKS(bool, bool) [with KernelType = mlpack::kernel::HyperbolicTangentKernel; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree]':
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_model_impl.hpp:122:16: required from 'void mlpack::fastmks::FastMKSModel::BuildModel(const mat&, TKernelType&, bool, bool, double) [with TKernelType = mlpack::kernel::LinearKernel; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_main.cpp:167:62: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/fastmks/fastmks_impl.hpp:33:18: note: use '-faligned-new' to enable C++17 over-aligned new support
[ 33%] Linking CXX executable ../../../../bin/mlpack_gmm_generate
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_gmm_generate.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_gmm_generate.dir/gmm_generate_main.cpp.o -o ../../../../bin/mlpack_gmm_generate -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 33%] Built target mlpack_gmm_generate
make -f src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_train.dir/build.make src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_train.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/gmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_train.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_gmm_train
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_train.dir/build.make src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_train.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 33%] Building CXX object src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_train.dir/gmm_train_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_gmm_train.dir/gmm_train_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/gmm_train_main.cpp
[ 34%] Linking CXX executable ../../../../bin/mlpack_gmm_train
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_gmm_train.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_gmm_train.dir/gmm_train_main.cpp.o -o ../../../../bin/mlpack_gmm_train -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 34%] Built target mlpack_gmm_train
make -f src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_probability.dir/build.make src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_probability.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/gmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_probability.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_gmm_probability
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_probability.dir/build.make src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_probability.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 34%] Building CXX object src/mlpack/methods/gmm/CMakeFiles/mlpack_gmm_probability.dir/gmm_probability_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_gmm_probability.dir/gmm_probability_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/gmm/gmm_probability_main.cpp
[ 34%] Linking CXX executable ../../../../bin/mlpack_fastmks
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/fastmks && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_fastmks.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_fastmks.dir/fastmks_main.cpp.o -o ../../../../bin/mlpack_fastmks -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 34%] Built target mlpack_fastmks
make -f src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_train.dir/build.make src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_train.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/hmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_train.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_hmm_train
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_train.dir/build.make src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_train.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 34%] Building CXX object src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_train.dir/hmm_train_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_hmm_train.dir/hmm_train_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm_train_main.cpp
[ 35%] Linking CXX executable ../../../../bin/mlpack_gmm_probability
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/gmm && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_gmm_probability.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_gmm_probability.dir/gmm_probability_main.cpp.o -o ../../../../bin/mlpack_gmm_probability -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 35%] Built target mlpack_gmm_probability
make -f src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_viterbi.dir/build.make src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_viterbi.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/hmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_viterbi.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_hmm_viterbi
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_viterbi.dir/build.make src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_viterbi.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 36%] Building CXX object src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_viterbi.dir/hmm_viterbi_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_hmm_viterbi.dir/hmm_viterbi_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm_viterbi_main.cpp
[ 36%] Linking CXX executable ../../../../bin/mlpack_hmm_viterbi
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_hmm_viterbi.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_hmm_viterbi.dir/hmm_viterbi_main.cpp.o -o ../../../../bin/mlpack_hmm_viterbi -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 36%] Built target mlpack_hmm_viterbi
make -f src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_generate.dir/build.make src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_generate.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/hmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_generate.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_hmm_generate
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_generate.dir/build.make src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_generate.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 36%] Building CXX object src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_generate.dir/hmm_generate_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_hmm_generate.dir/hmm_generate_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm_generate_main.cpp
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm_train_main.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {arma::Row<unsigned int>}; _Tp = arma::Row<unsigned int>; _Alloc = std::allocator<arma::Row<unsigned int> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<arma::Row<unsigned int> >::iterator {aka __gnu_cxx::__normal_iterator<arma::Row<unsigned int>*, std::vector<arma::Row<unsigned int> > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {arma::Row<unsigned int>}; _Tp = arma::Row<unsigned int>; _Alloc = std::allocator<arma::Row<unsigned int> >]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::Row<unsigned int>*, std::vector<arma::Row<unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {arma::Mat<double>}; _Tp = arma::Mat<double>; _Alloc = std::allocator<arma::Mat<double> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<arma::Mat<double> >::iterator {aka __gnu_cxx::__normal_iterator<arma::Mat<double>*, std::vector<arma::Mat<double> > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In function 'int main(int, char**)':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::Mat<double>*, std::vector<arma::Mat<double> > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[ 36%] Linking CXX executable ../../../../bin/mlpack_hmm_train
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_hmm_train.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_hmm_train.dir/hmm_train_main.cpp.o -o ../../../../bin/mlpack_hmm_train -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 36%] Built target mlpack_hmm_train
make -f src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_loglik.dir/build.make src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_loglik.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/hmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_loglik.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_hmm_loglik
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_loglik.dir/build.make src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_loglik.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 36%] Building CXX object src/mlpack/methods/hmm/CMakeFiles/mlpack_hmm_loglik.dir/hmm_loglik_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_hmm_loglik.dir/hmm_loglik_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/hmm/hmm_loglik_main.cpp
[ 37%] Linking CXX executable ../../../../bin/mlpack_hmm_generate
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_hmm_generate.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_hmm_generate.dir/hmm_generate_main.cpp.o -o ../../../../bin/mlpack_hmm_generate -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 37%] Built target mlpack_hmm_generate
make -f src/mlpack/methods/hoeffding_trees/CMakeFiles/mlpack_hoeffding_tree.dir/build.make src/mlpack/methods/hoeffding_trees/CMakeFiles/mlpack_hoeffding_tree.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hoeffding_trees /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hoeffding_trees/CMakeFiles/mlpack_hoeffding_tree.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_hoeffding_tree
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/hoeffding_trees/CMakeFiles/mlpack_hoeffding_tree.dir/build.make src/mlpack/methods/hoeffding_trees/CMakeFiles/mlpack_hoeffding_tree.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 38%] Building CXX object src/mlpack/methods/hoeffding_trees/CMakeFiles/mlpack_hoeffding_tree.dir/hoeffding_tree_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hoeffding_trees && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_hoeffding_tree.dir/hoeffding_tree_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp
[ 39%] Linking CXX executable ../../../../bin/mlpack_hmm_loglik
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hmm && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_hmm_loglik.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_hmm_loglik.dir/hmm_loglik_main.cpp.o -o ../../../../bin/mlpack_hmm_loglik -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 39%] Built target mlpack_hmm_loglik
make -f src/mlpack/methods/kernel_pca/CMakeFiles/mlpack_kernel_pca.dir/build.make src/mlpack/methods/kernel_pca/CMakeFiles/mlpack_kernel_pca.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/kernel_pca /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/kernel_pca/CMakeFiles/mlpack_kernel_pca.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_kernel_pca
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/kernel_pca/CMakeFiles/mlpack_kernel_pca.dir/build.make src/mlpack/methods/kernel_pca/CMakeFiles/mlpack_kernel_pca.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 40%] Building CXX object src/mlpack/methods/kernel_pca/CMakeFiles/mlpack_kernel_pca.dir/kernel_pca_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/kernel_pca && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_kernel_pca.dir/kernel_pca_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca/kernel_pca_main.cpp
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp: In instantiation of 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:139:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:219:12: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
tree = new TreeType(trainingSet, datasetInfo, labels, max(labels) + 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
batchTraining, confidence, maxSamples, 100, minSamples,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
typename TreeType::CategoricalSplit(0, 0), numericSplit);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:219:12: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:219:12: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:229:12: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
tree = new TreeType(datasetInfo, 1, 1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:229:12: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:229:12: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp: In instantiation of 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:163:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:219:12: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
tree = new TreeType(trainingSet, datasetInfo, labels, max(labels) + 1,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
batchTraining, confidence, maxSamples, 100, minSamples,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
typename TreeType::CategoricalSplit(0, 0), numericSplit);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:219:12: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:219:12: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:229:12: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
tree = new TreeType(datasetInfo, 1, 1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:229:12: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:229:12: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree.hpp:341:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::xml_oarchive; FitnessFunction = mlpack::tree::InformationGain; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:28:1: required by substitution of 'template<class _1> static char (& mlpack::data::HasSerializeCheck<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>, void (mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>::*)(boost::archive::xml_oarchive&, unsigned int)>::chk<_1>(mlpack::data::HasSerializeCheck<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>, void (mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>::*)(boost::archive::xml_oarchive&, unsigned int)>::type_check<void (mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>::*)(boost::archive::xml_oarchive&, unsigned int), (& _1:: Serialize)>*))[1] [with _1 = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:28:1: required from 'const bool mlpack::data::HasSerializeCheck<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>, void (mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>::*)(boost::archive::xml_oarchive&, unsigned int)>::value'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:38:67: required from 'const bool mlpack::data::HasSerializeFunction<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >::value'
/usr/include/boost/core/enable_if.hpp:41:10: required from 'struct boost::enable_if<mlpack::data::HasSerializeFunction<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >, void>'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:51:36: required by substitution of 'template<class U> static char (& mlpack::data::HasSerialize<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >::chk<U>(mlpack::data::HasSerialize<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >::check<U, typename boost::enable_if<boost::is_class<T>, void>::type*, typename boost::enable_if<mlpack::data::HasSerializeFunction<U>, void>::type*>*))[1] [with U = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:57:43: required from 'const bool mlpack::data::HasSerialize<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >::value'
/usr/include/boost/core/enable_if.hpp:64:10: required from 'struct boost::disable_if<mlpack::data::HasSerialize<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >, void>'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:127:30: required by substitution of 'template<class T> const boost::serialization::nvp<T> mlpack::data::CreateNVP(T&, const string&, typename boost::disable_if<mlpack::data::HasSerialize<T> >::type*, typename boost::disable_if<boost::is_pointer<T> >::type*) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:95:22: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:230:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:139:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
children[i] = new HoeffdingTree(data::DatasetInfo(0), 0);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::xml_oarchive; FitnessFunction = mlpack::tree::GiniImpurity; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:28:1: required by substitution of 'template<class _1> static char (& mlpack::data::HasSerializeCheck<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>, void (mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>::*)(boost::archive::xml_oarchive&, unsigned int)>::chk<_1>(mlpack::data::HasSerializeCheck<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>, void (mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>::*)(boost::archive::xml_oarchive&, unsigned int)>::type_check<void (mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>::*)(boost::archive::xml_oarchive&, unsigned int), (& _1:: Serialize)>*))[1] [with _1 = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:28:1: required from 'const bool mlpack::data::HasSerializeCheck<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>, void (mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>::*)(boost::archive::xml_oarchive&, unsigned int)>::value'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:38:67: required from 'const bool mlpack::data::HasSerializeFunction<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >::value'
/usr/include/boost/core/enable_if.hpp:41:10: required from 'struct boost::enable_if<mlpack::data::HasSerializeFunction<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >, void>'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:51:36: required by substitution of 'template<class U> static char (& mlpack::data::HasSerialize<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >::chk<U>(mlpack::data::HasSerialize<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >::check<U, typename boost::enable_if<boost::is_class<T>, void>::type*, typename boost::enable_if<mlpack::data::HasSerializeFunction<U>, void>::type*>*))[1] [with U = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:57:43: required from 'const bool mlpack::data::HasSerialize<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >::value'
/usr/include/boost/core/enable_if.hpp:64:10: required from 'struct boost::disable_if<mlpack::data::HasSerialize<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >, void>'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:127:30: required by substitution of 'template<class T> const boost::serialization::nvp<T> mlpack::data::CreateNVP(T&, const string&, typename boost::disable_if<mlpack::data::HasSerialize<T> >::type*, typename boost::disable_if<boost::is_pointer<T> >::type*) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:95:22: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:230:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:163:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::CreateChildren() [with FitnessFunction = mlpack::tree::InformationGain; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:318:23: required from 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Train(const VecType&, size_t) [with VecType = arma::subview_col<double>; FitnessFunction = mlpack::tree::InformationGain; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:216:12: required from 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Train(const MatType&, const arma::Row<unsigned int>&, bool) [with MatType = arma::Mat<double>; FitnessFunction = mlpack::tree::InformationGain; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:224:7: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:139:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:632:26: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
children.push_back(new HoeffdingTree(*datasetInfo, numClasses,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
successProbability, maxSamples, checkInterval, minSamples,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CategoricalSplitType<FitnessFunction>(0, numClasses),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
numericSplits[0], dimensionMappings));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:632:26: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:632:26: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:640:26: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
children.push_back(new HoeffdingTree(*datasetInfo, numClasses,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
successProbability, maxSamples, checkInterval, minSamples,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
categoricalSplits[0], NumericSplitType<FitnessFunction>(numClasses),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dimensionMappings));
~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:640:26: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:640:26: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:648:26: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
children.push_back(new HoeffdingTree(*datasetInfo, numClasses,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
successProbability, maxSamples, checkInterval, minSamples,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
categoricalSplits[0], numericSplits[0], dimensionMappings));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:648:26: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:648:26: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::CreateChildren() [with FitnessFunction = mlpack::tree::GiniImpurity; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:318:23: required from 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Train(const VecType&, size_t) [with VecType = arma::subview_col<double>; FitnessFunction = mlpack::tree::GiniImpurity; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:216:12: required from 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Train(const MatType&, const arma::Row<unsigned int>&, bool) [with MatType = arma::Mat<double>; FitnessFunction = mlpack::tree::GiniImpurity; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:224:7: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:163:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:632:26: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
children.push_back(new HoeffdingTree(*datasetInfo, numClasses,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
successProbability, maxSamples, checkInterval, minSamples,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CategoricalSplitType<FitnessFunction>(0, numClasses),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
numericSplits[0], dimensionMappings));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:632:26: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:632:26: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:640:26: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
children.push_back(new HoeffdingTree(*datasetInfo, numClasses,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
successProbability, maxSamples, checkInterval, minSamples,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
categoricalSplits[0], NumericSplitType<FitnessFunction>(numClasses),
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dimensionMappings));
~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:640:26: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:640:26: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:648:26: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
children.push_back(new HoeffdingTree(*datasetInfo, numClasses,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
successProbability, maxSamples, checkInterval, minSamples,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
categoricalSplits[0], numericSplits[0], dimensionMappings));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:648:26: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:648:26: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::xml_iarchive; FitnessFunction = mlpack::tree::InformationGain; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:188:40: required from 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:120:1: [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/xml_iarchive.hpp:95:51: required from 'void boost::archive::xml_iarchive_impl<Archive>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::xml_iarchive]'
/usr/include/boost/archive/detail/interface_iarchive.hpp:68:9: required from 'Archive& boost::archive::detail::interface_iarchive<Archive>::operator>>(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::xml_iarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:401:14: required from 'Archive& mlpack::data::operator>>(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::xml_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:95:10: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:230:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:139:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
children[i] = new HoeffdingTree(data::DatasetInfo(0), 0);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::xml_iarchive; FitnessFunction = mlpack::tree::GiniImpurity; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:188:40: required from 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::xml_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:120:1: [ skipping 6 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/xml_iarchive.hpp:95:51: required from 'void boost::archive::xml_iarchive_impl<Archive>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::xml_iarchive]'
/usr/include/boost/archive/detail/interface_iarchive.hpp:68:9: required from 'Archive& boost::archive::detail::interface_iarchive<Archive>::operator>>(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::xml_iarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:401:14: required from 'Archive& mlpack::data::operator>>(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::xml_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:95:10: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:230:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:163:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::text_oarchive; FitnessFunction = mlpack::tree::InformationGain; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/oserializer.hpp:149:40: required from 'void boost::archive::detail::oserializer<Archive, T>::save_object_data(boost::archive::detail::basic_oarchive&, const void*) const [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/oserializer.hpp:102:1: [ skipping 19 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/basic_text_oarchive.hpp:83:9: required from 'void boost::archive::basic_text_oarchive<Archive>::save_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::text_oarchive]'
/usr/include/boost/archive/detail/interface_oarchive.hpp:70:9: required from 'Archive& boost::archive::detail::interface_oarchive<Archive>::operator<<(const T&) [with T = boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::text_oarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:373:14: required from 'Archive& mlpack::data::operator<<(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::text_oarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/save_impl.hpp:252:10: required from 'bool mlpack::data::Save(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:337:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:139:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::text_oarchive; FitnessFunction = mlpack::tree::GiniImpurity; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/oserializer.hpp:149:40: required from 'void boost::archive::detail::oserializer<Archive, T>::save_object_data(boost::archive::detail::basic_oarchive&, const void*) const [with Archive = boost::archive::text_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/oserializer.hpp:102:1: [ skipping 19 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/basic_text_oarchive.hpp:83:9: required from 'void boost::archive::basic_text_oarchive<Archive>::save_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::text_oarchive]'
/usr/include/boost/archive/detail/interface_oarchive.hpp:70:9: required from 'Archive& boost::archive::detail::interface_oarchive<Archive>::operator<<(const T&) [with T = boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::text_oarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:373:14: required from 'Archive& mlpack::data::operator<<(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::text_oarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/save_impl.hpp:252:10: required from 'bool mlpack::data::Save(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:337:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:163:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::text_iarchive; FitnessFunction = mlpack::tree::InformationGain; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:188:40: required from 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:120:1: [ skipping 21 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/text_iarchive.hpp:82:52: required from 'void boost::archive::text_iarchive_impl<Archive>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::text_iarchive]'
/usr/include/boost/archive/detail/interface_iarchive.hpp:68:9: required from 'Archive& boost::archive::detail::interface_iarchive<Archive>::operator>>(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::text_iarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:401:14: required from 'Archive& mlpack::data::operator>>(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::text_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:100:10: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:230:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:139:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_iarchive; FitnessFunction = mlpack::tree::InformationGain; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:188:40: required from 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:120:1: [ skipping 21 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/binary_iarchive_impl.hpp:58:9: required from 'void boost::archive::binary_iarchive_impl<Archive, Elem, Tr>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::binary_iarchive; Elem = char; Tr = std::char_traits<char>]'
/usr/include/boost/archive/detail/interface_iarchive.hpp:68:9: required from 'Archive& boost::archive::detail::interface_iarchive<Archive>::operator>>(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::binary_iarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:401:14: required from 'Archive& mlpack::data::operator>>(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::binary_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:105:10: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:230:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:139:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_oarchive; FitnessFunction = mlpack::tree::InformationGain; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/oserializer.hpp:149:40: required from 'void boost::archive::detail::oserializer<Archive, T>::save_object_data(boost::archive::detail::basic_oarchive&, const void*) const [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/oserializer.hpp:102:1: [ skipping 21 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/binary_oarchive_impl.hpp:59:9: required from 'void boost::archive::binary_oarchive_impl<Archive, Elem, Tr>::save_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::binary_oarchive; Elem = char; Tr = std::char_traits<char>]'
/usr/include/boost/archive/detail/interface_oarchive.hpp:70:9: required from 'Archive& boost::archive::detail::interface_oarchive<Archive>::operator<<(const T&) [with T = boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::binary_oarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:373:14: required from 'Archive& mlpack::data::operator<<(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::binary_oarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/save_impl.hpp:257:10: required from 'bool mlpack::data::Save(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:337:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:139:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::InformationGain, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::text_iarchive; FitnessFunction = mlpack::tree::GiniImpurity; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:188:40: required from 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::text_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:120:1: [ skipping 21 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/text_iarchive.hpp:82:52: required from 'void boost::archive::text_iarchive_impl<Archive>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::text_iarchive]'
/usr/include/boost/archive/detail/interface_iarchive.hpp:68:9: required from 'Archive& boost::archive::detail::interface_iarchive<Archive>::operator>>(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::text_iarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:401:14: required from 'Archive& mlpack::data::operator>>(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::text_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:100:10: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:230:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:163:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_iarchive; FitnessFunction = mlpack::tree::GiniImpurity; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:188:40: required from 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::binary_iarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/iserializer.hpp:120:1: [ skipping 21 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/binary_iarchive_impl.hpp:58:9: required from 'void boost::archive::binary_iarchive_impl<Archive, Elem, Tr>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::binary_iarchive; Elem = char; Tr = std::char_traits<char>]'
/usr/include/boost/archive/detail/interface_iarchive.hpp:68:9: required from 'Archive& boost::archive::detail::interface_iarchive<Archive>::operator>>(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::binary_iarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:401:14: required from 'Archive& mlpack::data::operator>>(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::binary_iarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:105:10: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:230:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:163:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp: In instantiation of 'void mlpack::tree::HoeffdingTree<FitnessFunction, NumericSplitType, CategoricalSplitType>::Serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_oarchive; FitnessFunction = mlpack::tree::GiniImpurity; NumericSplitType = mlpack::tree::HoeffdingDoubleNumericSplit; CategoricalSplitType = mlpack::tree::HoeffdingCategoricalSplit]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:303:5: required from 'void mlpack::data::SecondShim<T>::serialize(Archive&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/usr/include/boost/serialization/access.hpp:116:9: required from 'static void boost::serialization::access::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:68:22: required from 'void boost::serialization::serialize(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/serialization/serialization.hpp:126:14: required from 'void boost::serialization::serialize_adl(Archive&, T&, unsigned int) [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/oserializer.hpp:149:40: required from 'void boost::archive::detail::oserializer<Archive, T>::save_object_data(boost::archive::detail::basic_oarchive&, const void*) const [with Archive = boost::archive::binary_oarchive; T = mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> >]'
/usr/include/boost/archive/detail/oserializer.hpp:102:1: [ skipping 21 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/binary_oarchive_impl.hpp:59:9: required from 'void boost::archive::binary_oarchive_impl<Archive, Elem, Tr>::save_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::binary_oarchive; Elem = char; Tr = std::char_traits<char>]'
/usr/include/boost/archive/detail/interface_oarchive.hpp:70:9: required from 'Archive& boost::archive::detail::interface_oarchive<Archive>::operator<<(const T&) [with T = boost::serialization::nvp<mlpack::data::SecondShim<mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit> > >; Archive = boost::archive::binary_oarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:373:14: required from 'Archive& mlpack::data::operator<<(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::binary_oarchive; T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/save_impl.hpp:257:10: required from 'bool mlpack::data::Save(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:337:15: required from 'void PerformActions(const typename TreeType::NumericSplit&) [with TreeType = mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>; typename TreeType::NumericSplit = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:163:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: warning: 'new' of type 'mlpack::tree::HoeffdingTree<mlpack::tree::GiniImpurity, mlpack::tree::HoeffdingDoubleNumericSplit, mlpack::tree::HoeffdingCategoricalSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/hoeffding_trees/hoeffding_tree_impl.hpp:778:23: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca/kernel_pca_main.cpp:31:0:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/nystroem_method/kmeans_selection.hpp: In static member function 'static const mat* mlpack::kernel::KMeansSelection<ClusteringType, maxIterations>::Select(const mat&, size_t)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/nystroem_method/kmeans_selection.hpp:43:38: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
arma::mat* centroids = new arma::mat;
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/nystroem_method/kmeans_selection.hpp:43:38: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/nystroem_method/kmeans_selection.hpp:43:38: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/nystroem_method/kmeans_selection.hpp: In instantiation of 'static const mat* mlpack::kernel::KMeansSelection<ClusteringType, maxIterations>::Select(const mat&, size_t) [with ClusteringType = mlpack::kmeans::KMeans<>; unsigned int maxIterations = 5; arma::mat = arma::Mat<double>; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/nystroem_method/nystroem_method_impl.hpp:80:47: required from 'void mlpack::kernel::NystroemMethod<KernelType, PointSelectionPolicy>::Apply(arma::mat&) [with KernelType = mlpack::kernel::LinearKernel; PointSelectionPolicy = mlpack::kernel::KMeansSelection<>; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/kernel_pca/kernel_rules/nystroem_method.hpp:50:7: required from 'static void mlpack::kpca::NystroemKernelRule<KernelType, PointSelectionPolicy>::ApplyKernelMatrix(const mat&, arma::mat&, arma::vec&, arma::mat&, size_t, KernelType) [with KernelType = mlpack::kernel::LinearKernel; PointSelectionPolicy = mlpack::kernel::KMeansSelection<>; arma::mat = arma::Mat<double>; arma::vec = arma::Col<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca/kernel_pca_impl.hpp:38:32: required from 'void mlpack::kpca::KernelPCA<KernelType, KernelRule>::Apply(const mat&, arma::mat&, arma::vec&, arma::mat&, size_t) [with KernelType = mlpack::kernel::LinearKernel; KernelRule = mlpack::kpca::NystroemKernelRule<mlpack::kernel::LinearKernel, mlpack::kernel::KMeansSelection<> >; arma::mat = arma::Mat<double>; arma::vec = arma::Col<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca/kernel_pca_impl.hpp:78:8: required from 'void mlpack::kpca::KernelPCA<KernelType, KernelRule>::Apply(arma::mat&, size_t) [with KernelType = mlpack::kernel::LinearKernel; KernelRule = mlpack::kpca::NystroemKernelRule<mlpack::kernel::LinearKernel, mlpack::kernel::KMeansSelection<> >; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca/kernel_pca_main.cpp:135:7: required from 'void RunKPCA(arma::mat&, bool, bool, size_t, const string&, KernelType&) [with KernelType = mlpack::kernel::LinearKernel; arma::mat = arma::Mat<double>; size_t = unsigned int; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kernel_pca/kernel_pca_main.cpp:202:25: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/nystroem_method/kmeans_selection.hpp:43:28: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
arma::mat* centroids = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/nystroem_method/kmeans_selection.hpp:43:28: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/nystroem_method/kmeans_selection.hpp:43:28: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain>}; _Tp = mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain>; _Alloc = std::allocator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain>, std::allocator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain>*, std::vector<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain>, std::allocator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain> > > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain>}; _Tp = mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain>; _Alloc = std::allocator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain> >]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain>*, std::vector<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain>, std::allocator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::InformationGain> > > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity>}; _Tp = mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity>; _Alloc = std::allocator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity>, std::allocator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity>*, std::vector<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity>, std::allocator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity> > > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity>}; _Tp = mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity>; _Alloc = std::allocator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity> >]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity>*, std::vector<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity>, std::allocator<mlpack::tree::HoeffdingCategoricalSplit<mlpack::tree::GiniImpurity> > > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>}; _Tp = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>; _Alloc = std::allocator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>, std::allocator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>*, std::vector<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>, std::allocator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double> > > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>}; _Tp = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>; _Alloc = std::allocator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double> >]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>*, std::vector<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double>, std::allocator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::InformationGain, double> > > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>}; _Tp = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>; _Alloc = std::allocator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>, std::allocator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>*, std::vector<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>, std::allocator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double> > > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>}; _Tp = mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>; _Alloc = std::allocator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double> >]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>*, std::vector<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double>, std::allocator<mlpack::tree::HoeffdingNumericSplit<mlpack::tree::GiniImpurity, double> > > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double>}; _Tp = mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double>; _Alloc = std::allocator<mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double>, std::allocator<mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double>*, std::vector<mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double>, std::allocator<mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double> > > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double>}; _Tp = mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double>; _Alloc = std::allocator<mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double> >]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double>*, std::vector<mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double>, std::allocator<mlpack::tree::BinaryNumericSplit<mlpack::tree::InformationGain, double> > > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double>}; _Tp = mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double>; _Alloc = std::allocator<mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double>, std::allocator<mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double>*, std::vector<mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double>, std::allocator<mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double> > > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double>}; _Tp = mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double>; _Alloc = std::allocator<mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double> >]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double>*, std::vector<mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double>, std::allocator<mlpack::tree::BinaryNumericSplit<mlpack::tree::GiniImpurity, double> > > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[ 40%] Linking CXX executable ../../../../bin/mlpack_kernel_pca
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/kernel_pca && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_kernel_pca.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_kernel_pca.dir/kernel_pca_main.cpp.o -o ../../../../bin/mlpack_kernel_pca -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 40%] Built target mlpack_kernel_pca
make -f src/mlpack/methods/kmeans/CMakeFiles/mlpack_kmeans.dir/build.make src/mlpack/methods/kmeans/CMakeFiles/mlpack_kmeans.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/kmeans /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/kmeans/CMakeFiles/mlpack_kmeans.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_kmeans
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/kmeans/CMakeFiles/mlpack_kmeans.dir/build.make src/mlpack/methods/kmeans/CMakeFiles/mlpack_kmeans.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 41%] Building CXX object src/mlpack/methods/kmeans/CMakeFiles/mlpack_kmeans.dir/kmeans_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/kmeans && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_kmeans.dir/kmeans_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp
In file included from /usr/include/c++/7/map:60:0,
from /usr/include/boost/serialization/map.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:66,
from /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:12:
/usr/include/c++/7/bits/stl_tree.h: In member function 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_emplace_hint_equal(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::const_iterator, _Args&& ...) [with _Args = {std::pair<const double, unsigned int>&}; _Key = double; _Val = std::pair<const double, unsigned int>; _KeyOfValue = std::_Select1st<std::pair<const double, unsigned int> >; _Compare = std::less<double>; _Alloc = std::allocator<std::pair<const double, unsigned int> >]':
/usr/include/c++/7/bits/stl_tree.h:2421:7: note: parameter passing for argument of type 'std::_Rb_tree<double, std::pair<const double, unsigned int>, std::_Select1st<std::pair<const double, unsigned int> >, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const double, unsigned int> >}' changed in GCC 7.1
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/map:62:0,
from /usr/include/boost/serialization/map.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:66,
from /<<PKGBUILDDIR>>/src/mlpack/methods/hoeffding_trees/hoeffding_tree_main.cpp:12:
/usr/include/c++/7/bits/stl_multimap.h: In member function 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::xml_iarchive; T = std::multimap<double, unsigned int, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >]':
/usr/include/c++/7/bits/stl_multimap.h:513:40: note: parameter passing for argument of type 'std::multimap<double, unsigned int, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const double, unsigned int> >}' changed in GCC 7.1
std::forward<_Args>(__args)...);
^
/usr/include/c++/7/bits/stl_multimap.h: In member function 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::text_iarchive; T = std::multimap<double, unsigned int, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >]':
/usr/include/c++/7/bits/stl_multimap.h:513:40: note: parameter passing for argument of type 'std::multimap<double, unsigned int, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const double, unsigned int> >}' changed in GCC 7.1
std::forward<_Args>(__args)...);
^
/usr/include/c++/7/bits/stl_multimap.h: In member function 'void boost::archive::detail::iserializer<Archive, T>::load_object_data(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::binary_iarchive; T = std::multimap<double, unsigned int, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >]':
/usr/include/c++/7/bits/stl_multimap.h:513:40: note: parameter passing for argument of type 'std::multimap<double, unsigned int, std::less<double>, std::allocator<std::pair<const double, unsigned int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const double, unsigned int> >}' changed in GCC 7.1
std::forward<_Args>(__args)...);
^
[ 41%] Linking CXX executable ../../../../bin/mlpack_hoeffding_tree
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/hoeffding_trees && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_hoeffding_tree.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_hoeffding_tree.dir/hoeffding_tree_main.cpp.o -o ../../../../bin/mlpack_hoeffding_tree -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:23:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In copy constructor 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(const mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>(*other.pointsIndex);
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In member function 'void mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SplitNode(arma::Col<unsigned int>&, size_t, double, double)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:23:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In constructor 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>&&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
other.referenceSet = new arma::mat(); // Empty dataset.
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans.hpp:175:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:23:
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp: In member function 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&)':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:123:42: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
new arma::mat(1, centroids.n_elem) : &interclusterDistances;
^
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:123:42: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:123:42: note: use '-faligned-new' to enable C++17 over-aligned new support
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 41%] Built target mlpack_hoeffding_tree
make -f src/mlpack/methods/mean_shift/CMakeFiles/mlpack_mean_shift.dir/build.make src/mlpack/methods/mean_shift/CMakeFiles/mlpack_mean_shift.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/mean_shift /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/mean_shift/CMakeFiles/mlpack_mean_shift.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_mean_shift
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/mean_shift/CMakeFiles/mlpack_mean_shift.dir/build.make src/mlpack/methods/mean_shift/CMakeFiles/mlpack_mean_shift.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 42%] Building CXX object src/mlpack/methods/mean_shift/CMakeFiles/mlpack_mean_shift.dir/mean_shift_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/mean_shift && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_mean_shift.dir/mean_shift_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans.hpp:93:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:22:
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans_impl.hpp: In instantiation of 'mlpack::kmeans::PellegMooreKMeans<MetricType, MatType>::PellegMooreKMeans(const MatType&, MetricType&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:210:38: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::PellegMooreKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::PellegMooreKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:184:27: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans_impl.hpp:27:10: warning: 'new' of type 'mlpack::kmeans::PellegMooreKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double> >::TreeType {aka mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::PellegMooreKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>}' with extended alignment 16 [-Waligned-new=]
tree(new TreeType(const_cast<MatType&>(datasetOrig))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans_impl.hpp:27:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans_impl.hpp:27:10: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans.hpp:175:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:23:
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp: In instantiation of 'mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::DualTreeKMeans(const MatType&, MetricType&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:210:38: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:187:31: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:61:10: warning: 'new' of type 'mlpack::kmeans::DualTreeKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::KDTree>::Tree {aka mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>}' with extended alignment 16 [-Waligned-new=]
tree(new Tree(const_cast<MatType&>(dataset))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:61:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:61:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp: In instantiation of 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:219:13: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:187:31: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:123:9: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
new arma::mat(1, centroids.n_elem) : &interclusterDistances;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:123:9: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:123:9: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp: In instantiation of 'mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::DualTreeKMeans(const MatType&, MetricType&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:210:38: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:190:33: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:61:10: warning: 'new' of type 'mlpack::kmeans::DualTreeKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree>::Tree {aka mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>}' with extended alignment 16 [-Waligned-new=]
tree(new Tree(const_cast<MatType&>(dataset))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:61:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:61:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp: In instantiation of 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:219:13: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:190:33: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:123:9: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
new arma::mat(1, centroids.n_elem) : &interclusterDistances;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:123:9: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:123:9: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans.hpp:22,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::PellegMooreKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans_impl.hpp:27:10: required from 'mlpack::kmeans::PellegMooreKMeans<MetricType, MatType>::PellegMooreKMeans(const MatType&, MetricType&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:210:38: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::PellegMooreKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::PellegMooreKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:184:27: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:61:10: required from 'mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::DualTreeKMeans(const MatType&, MetricType&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:210:38: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:187:31: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans.hpp:175:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:23:
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp: In instantiation of 'TreeType* mlpack::kmeans::BuildTree(const typename TreeType::Mat&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; typename TreeType::Mat = arma::Mat<double>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:107:39: required from 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:219:13: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:187:31: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:37:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
return new TreeType(dataset, oldFromNew, 1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:37:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:37:10: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:23:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&&, mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::kmeans::DualTreeKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::KDTree>::NNSTreeType; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:113:20: required from 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:219:13: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:187:31: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:187:19: warning: 'new' of type 'mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::kmeans::DualTreeKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::KDTree>::NNSTreeType, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>::Tree {aka mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>}' with extended alignment 16 [-Waligned-new=]
referenceTree(new Tree(std::move(referenceTree))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:187:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:187:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::kmeans::DualTreeKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::KDTree>::NNSTreeType; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:126:5: required from 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:219:13: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:187:31: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans.hpp:175:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:23:
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp: In instantiation of 'TreeType* mlpack::kmeans::BuildTree(const typename TreeType::Mat&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with TreeType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; typename TreeType::Mat = arma::Mat<double>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:107:39: required from 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:219:13: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:190:33: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:49:10: warning: 'new' of type 'mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>' with extended alignment 16 [-Waligned-new=]
return new TreeType(dataset);
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:49:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:49:10: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:23:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&&, mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::kmeans::DualTreeKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree>::NNSTreeType; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser; mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:113:20: required from 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:219:13: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:190:33: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:187:19: warning: 'new' of type 'mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::kmeans::DualTreeKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree>::NNSTreeType, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>::Tree {aka mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>}' with extended alignment 16 [-Waligned-new=]
referenceTree(new Tree(std::move(referenceTree))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:187:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:187:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::kmeans::DualTreeKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree>::NNSTreeType; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:126:5: required from 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:219:13: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:190:33: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans.hpp:22,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::PellegMooreKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:47:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::PellegMooreKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/pelleg_moore_kmeans_impl.hpp:27:10: required from 'mlpack::kmeans::PellegMooreKMeans<MetricType, MatType>::PellegMooreKMeans(const MatType&, MetricType&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:210:38: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::PellegMooreKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::PellegMooreKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:184:27: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::PellegMooreKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, splitter,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
maxLeafSize);
~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::PellegMooreKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:47:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:61:10: required from 'mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::DualTreeKMeans(const MatType&, MetricType&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:210:38: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:187:31: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, splitter,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
maxLeafSize);
~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:37:10: required from 'TreeType* mlpack::kmeans::BuildTree(const typename TreeType::Mat&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; typename TreeType::Mat = arma::Mat<double>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:107:39: required from 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:219:13: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:187:31: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree.hpp:566:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:23:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp: In instantiation of 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::CreateChildren(arma::Col<unsigned int>&, arma::vec&, size_t, size_t&, size_t&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot; arma::vec = arma::Col<double>; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:75:17: required from 'mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::CoverTree(const MatType&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::ElemType, MetricType*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot; mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::ElemType = double]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:61:10: required from 'mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::DualTreeKMeans(const MatType&, MetricType&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:210:38: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::CoverTreeDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:190:33: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1006:24: warning: 'new' of type 'mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>' with extended alignment 16 [-Waligned-new=]
children.push_back(new CoverTree(*dataset, base, point, INT_MIN, this, 0,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
indices, distances, 0, tempSize, usedSetSize, *metric));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1006:24: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1006:24: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1014:26: warning: 'new' of type 'mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>' with extended alignment 16 [-Waligned-new=]
children.push_back(new CoverTree(*dataset, base, indices[i],
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
INT_MIN, this, distances[i], indices, distances, 0, tempSize,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
usedSetSize, *metric));
~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1014:26: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1014:26: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1046:22: warning: 'new' of type 'mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>' with extended alignment 16 [-Waligned-new=]
children.push_back(new CoverTree(*dataset, base, point, nextScale, this, 0,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
indices, distances, childNearSetSize, childFarSetSize, childUsedSetSize,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*metric));
~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1046:22: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1046:22: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1104:26: warning: 'new' of type 'mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>' with extended alignment 16 [-Waligned-new=]
children.push_back(new CoverTree(*dataset, base, indices[0], nextScale,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
this, distances[0], indices, distances, childNearSetSize, farSetSize,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
usedSetSize, *metric));
~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1104:26: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1104:26: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1146:24: warning: 'new' of type 'mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>' with extended alignment 16 [-Waligned-new=]
children.push_back(new CoverTree(*dataset, base, indices[0], nextScale,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
this, distances[0], childIndices, childDistances, childNearSetSize,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
childFarSetSize, childUsedSetSize, *metric));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1146:24: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:1146:24: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans.hpp:22,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(std::vector<unsigned int>&, size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:80:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:37:10: required from 'TreeType* mlpack::kmeans::BuildTree(const typename TreeType::Mat&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; typename TreeType::Mat = arma::Mat<double>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/dual_tree_kmeans_impl.hpp:107:39: required from 'double mlpack::kmeans::DualTreeKMeans<MetricType, MatType, TreeType>::Iterate(const mat&, arma::mat&, arma::Col<unsigned int>&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_impl.hpp:219:13: required from 'void mlpack::kmeans::KMeans<MetricType, InitialPartitionPolicy, EmptyClusterPolicy, LloydStepType, MatType>::Cluster(const MatType&, size_t, arma::mat&, bool) [with MetricType = mlpack::metric::LMetric<2, true>; InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans; MatType = arma::Mat<double>; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:316:5: required from 'void RunKMeans(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters; LloydStepType = mlpack::kmeans::DefaultDualTreeKMeans]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:187:31: required from 'void FindLloydStepType(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart; EmptyClusterPolicy = mlpack::kmeans::AllowEmptyClusters]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:165:66: required from 'void FindEmptyClusterPolicy(const InitialPartitionPolicy&) [with InitialPartitionPolicy = mlpack::kmeans::RefinedStart]'
/<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:147:77: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, oldFromNew,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
oldFromNew, splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry&}; _Tp = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Alloc = std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:18,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift.hpp:171,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In copy constructor 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(const mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>(*other.pointsIndex);
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In member function 'void mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SplitNode(arma::Col<unsigned int>&, size_t, double, double)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:18,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift.hpp:171,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In constructor 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>&&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
other.referenceSet = new arma::mat(); // Empty dataset.
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/range_search/range_search.hpp:344:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift.hpp:171,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/range_search/range_search_impl.hpp: In constructor 'mlpack::range::RangeSearch<MetricType, MatType, TreeType>::RangeSearch(mlpack::range::RangeSearch<MetricType, MatType, TreeType>&&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/range_search/range_search_impl.hpp:211:38: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
other.referenceSet = new arma::mat(); // Empty dataset.
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/range_search/range_search_impl.hpp:211:38: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/range_search/range_search_impl.hpp:211:38: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:18,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift.hpp:171,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:267:3: required from 'void mlpack::meanshift::MeanShift<UseKernel, KernelType, MatType>::Cluster(const MatType&, arma::Col<unsigned int>&, arma::mat&, bool) [with bool UseKernel = false; KernelType = mlpack::kernel::GaussianKernel; MatType = arma::Mat<double>; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:104:52: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:65:24: required from 'double mlpack::meanshift::MeanShift<UseKernel, KernelType, MatType>::EstimateRadius(const MatType&, double) [with bool UseKernel = false; KernelType = mlpack::kernel::GaussianKernel; MatType = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:193:26: required from 'void mlpack::meanshift::MeanShift<UseKernel, KernelType, MatType>::Cluster(const MatType&, arma::Col<unsigned int>&, arma::mat&, bool) [with bool UseKernel = false; KernelType = mlpack::kernel::GaussianKernel; MatType = arma::Mat<double>; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:104:52: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:18,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift.hpp:171,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:65:24: required from 'double mlpack::meanshift::MeanShift<UseKernel, KernelType, MatType>::EstimateRadius(const MatType&, double) [with bool UseKernel = false; KernelType = mlpack::kernel::GaussianKernel; MatType = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:193:26: required from 'void mlpack::meanshift::MeanShift<UseKernel, KernelType, MatType>::Cluster(const MatType&, arma::Col<unsigned int>&, arma::mat&, bool) [with bool UseKernel = false; KernelType = mlpack::kernel::GaussianKernel; MatType = arma::Mat<double>; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:104:52: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::range::RangeSearchStat; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/range_search/range_search_impl.hpp:32:10: required from 'TreeType* mlpack::range::BuildTree(typename TreeType::Mat&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::range::RangeSearchStat, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; typename TreeType::Mat = arma::Mat<double>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::range::RangeSearchStat, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/range_search/range_search_impl.hpp:79:49: required from 'mlpack::range::RangeSearch<MetricType, MatType, TreeType>::RangeSearch(const MatType&, bool, bool, MetricType) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree]'
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:209:24: required from 'void mlpack::meanshift::MeanShift<UseKernel, KernelType, MatType>::Cluster(const MatType&, arma::Col<unsigned int>&, arma::mat&, bool) [with bool UseKernel = false; KernelType = mlpack::kernel::GaussianKernel; MatType = arma::Mat<double>; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:104:52: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/methods/neighbor_search/neighbor_search_impl.hpp:87:33: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(const MatType&, mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_impl.hpp:264:17: required from 'void mlpack::meanshift::MeanShift<UseKernel, KernelType, MatType>::Cluster(const MatType&, arma::Col<unsigned int>&, arma::mat&, bool) [with bool UseKernel = false; KernelType = mlpack::kernel::GaussianKernel; MatType = arma::Mat<double>; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:104:52: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >&}; _Tp = mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >; _Alloc = std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>&}; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Alloc = std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >}' changed in GCC 7.1
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry&}; _Tp = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Alloc = std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> >::iterator {aka __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >}' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const std::pair<double, unsigned int>&}; _Tp = std::pair<double, unsigned int>; _Alloc = std::allocator<std::pair<double, unsigned int> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<std::pair<double, unsigned int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&, mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&) [with RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::GreedySingleTreeTraverser<TreeType, RuleType>::Traverse(size_t, TreeType&) [with TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&) [with RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::kmeans::DualTreeKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::KDTree>::NNSTreeType; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >; _Distance = int; _Tp = mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::less<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > >]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BreadthFirstDualTreeTraverser<RuleType>::Traverse(mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&, std::priority_queue<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>, typename RuleType::TraversalInfoType> >&) [with RuleType = mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BreadthFirstDualTreeTraverser<RuleType>::Traverse(mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&, mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&) [with RuleType = mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >*, std::vector<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > >, std::allocator<mlpack::tree::QueueFrame<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>, mlpack::tree::TraversalInfo<mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> > > > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::NeighborSearchRules<SortPolicy, MetricType, TreeType>::InsertNeighbor(size_t, size_t, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; TreeType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::GreedySingleTreeTraverser<TreeType, RuleType>::Traverse(size_t, TreeType&) [with TreeType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const double&}; _Tp = double; _Alloc = std::allocator<double>]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<double>::iterator {aka __gnu_cxx::__normal_iterator<double*, std::vector<double> >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::range::RangeSearchRules<MetricType, TreeType>::AddResult(size_t, TreeType&) [with MetricType = mlpack::metric::LMetric<2, true>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::range::RangeSearchStat, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&) [with RuleType = mlpack::range::RangeSearchRules<mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::range::RangeSearchStat, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::range::RangeSearchStat; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/map:60:0,
from /usr/include/boost/serialization/map.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:66,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:12:
/usr/include/c++/7/bits/stl_tree.h: In function 'std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_emplace_hint_unique(std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::const_iterator, _Args&& ...) [with _Args = {const std::piecewise_construct_t&, std::tuple<const arma::Col<double>&>, std::tuple<>}; _Key = arma::Col<double>; _Val = std::pair<const arma::Col<double>, int>; _KeyOfValue = std::_Select1st<std::pair<const arma::Col<double>, int> >; _Compare = mlpack::meanshift::less<arma::Col<double> >; _Alloc = std::allocator<std::pair<const arma::Col<double>, int> >]':
/usr/include/c++/7/bits/stl_tree.h:2395:7: note: parameter passing for argument of type 'std::_Rb_tree<arma::Col<double>, std::pair<const arma::Col<double>, int>, std::_Select1st<std::pair<const arma::Col<double>, int> >, mlpack::meanshift::less<arma::Col<double> >, std::allocator<std::pair<const arma::Col<double>, int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const arma::Col<double>, int> >}' changed in GCC 7.1
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/map:61:0,
from /usr/include/boost/serialization/map.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:66,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:12:
/usr/include/c++/7/bits/stl_map.h: In member function 'void mlpack::meanshift::MeanShift<UseKernel, KernelType, MatType>::GenSeeds(const MatType&, double, int, MatType&) [with bool UseKernel = false; KernelType = mlpack::kernel::GaussianKernel; MatType = arma::Mat<double>]':
/usr/include/c++/7/bits/stl_map.h:493:4: note: parameter passing for argument of type 'std::_Rb_tree<arma::Col<double>, std::pair<const arma::Col<double>, int>, std::_Select1st<std::pair<const arma::Col<double>, int> >, mlpack::meanshift::less<arma::Col<double> >, std::allocator<std::pair<const arma::Col<double>, int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const arma::Col<double>, int> >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
/usr/include/c++/7/bits/stl_map.h:493:4: note: parameter passing for argument of type 'std::_Rb_tree<arma::Col<double>, std::pair<const arma::Col<double>, int>, std::_Select1st<std::pair<const arma::Col<double>, int> >, mlpack::meanshift::less<arma::Col<double> >, std::allocator<std::pair<const arma::Col<double>, int> > >::const_iterator {aka std::_Rb_tree_const_iterator<std::pair<const arma::Col<double>, int> >}' changed in GCC 7.1
__i = _M_t._M_emplace_hint_unique(__i, std::piecewise_construct,
^~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:12:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const std::pair<double, unsigned int>&}; _Tp = std::pair<double, unsigned int>; _Alloc = std::allocator<std::pair<double, unsigned int> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<std::pair<double, unsigned int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/mean_shift/mean_shift_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::NeighborSearchRules<SortPolicy, MetricType, TreeType>::InsertNeighbor(size_t, size_t, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>&) [with RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::GreedySingleTreeTraverser<TreeType, RuleType>::Traverse(size_t, TreeType&) [with TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit> >]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::range::RangeSearch<MetricType, MatType, TreeType>::Search(const MatType&, const Range&, std::vector<std::vector<unsigned int> >&, std::vector<std::vector<double> >&) [with MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<double*, std::vector<double> >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[ 42%] Linking CXX executable ../../../../bin/mlpack_mean_shift
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/mean_shift && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_mean_shift.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_mean_shift.dir/mean_shift_main.cpp.o -o ../../../../bin/mlpack_mean_shift -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
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make -f src/mlpack/methods/lars/CMakeFiles/mlpack_lars.dir/build.make src/mlpack/methods/lars/CMakeFiles/mlpack_lars.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/lars /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/lars /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/lars/CMakeFiles/mlpack_lars.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_lars
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/lars/CMakeFiles/mlpack_lars.dir/build.make src/mlpack/methods/lars/CMakeFiles/mlpack_lars.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 42%] Building CXX object src/mlpack/methods/lars/CMakeFiles/mlpack_lars.dir/lars_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/lars && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_lars.dir/lars_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/lars/lars_main.cpp
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Distance = int; _Tp = mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::SingleTreeTraverser<RuleType>::Traverse(size_t, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*, std::vector<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>, std::allocator<mlpack::tree::CoverTreeMapEntry<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Distance = int; _Tp = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::ReferenceRecursion(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::PruneMap(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::kmeans::DualTreeKMeansRules<mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Distance = int; _Tp = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::ReferenceRecursion(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::PruneMap(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&, std::map<int, std::vector<mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::DualCoverTreeMapEntry> >&) [with RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/kmeans/kmeans_main.cpp:12:
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::DualTreeTraverser<RuleType>::Traverse(mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>&) [with RuleType = mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> >; MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::kmeans::DualTreeKMeansStatistic; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry*, std::vector<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry, std::allocator<mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser<mlpack::neighbor::NeighborSearchRules<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot> > >::DualCoverTreeMapEntry> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::kmeans::DualTreeKMeans<mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree>::NNSTreeType; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::kmeans::DualTreeKMeansStatistic, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser]':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[ 42%] Linking CXX executable ../../../../bin/mlpack_kmeans
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/kmeans && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_kmeans.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_kmeans.dir/kmeans_main.cpp.o -o ../../../../bin/mlpack_kmeans -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 42%] Built target mlpack_kmeans
make -f src/mlpack/methods/linear_regression/CMakeFiles/mlpack_linear_regression.dir/build.make src/mlpack/methods/linear_regression/CMakeFiles/mlpack_linear_regression.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/linear_regression /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/linear_regression /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/linear_regression/CMakeFiles/mlpack_linear_regression.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_linear_regression
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/linear_regression/CMakeFiles/mlpack_linear_regression.dir/build.make src/mlpack/methods/linear_regression/CMakeFiles/mlpack_linear_regression.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 42%] Building CXX object src/mlpack/methods/linear_regression/CMakeFiles/mlpack_linear_regression.dir/linear_regression_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/linear_regression && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_linear_regression.dir/linear_regression_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/linear_regression/linear_regression_main.cpp
[ 43%] Linking CXX executable ../../../../bin/mlpack_lars
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/lars && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_lars.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_lars.dir/lars_main.cpp.o -o ../../../../bin/mlpack_lars -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 43%] Built target mlpack_lars
make -f src/mlpack/methods/local_coordinate_coding/CMakeFiles/mlpack_local_coordinate_coding.dir/build.make src/mlpack/methods/local_coordinate_coding/CMakeFiles/mlpack_local_coordinate_coding.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/local_coordinate_coding /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/local_coordinate_coding /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/local_coordinate_coding/CMakeFiles/mlpack_local_coordinate_coding.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_local_coordinate_coding
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/local_coordinate_coding/CMakeFiles/mlpack_local_coordinate_coding.dir/build.make src/mlpack/methods/local_coordinate_coding/CMakeFiles/mlpack_local_coordinate_coding.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 43%] Building CXX object src/mlpack/methods/local_coordinate_coding/CMakeFiles/mlpack_local_coordinate_coding.dir/local_coordinate_coding_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/local_coordinate_coding && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_local_coordinate_coding.dir/local_coordinate_coding_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/local_coordinate_coding/local_coordinate_coding_main.cpp
[ 44%] Linking CXX executable ../../../../bin/mlpack_linear_regression
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/linear_regression && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_linear_regression.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_linear_regression.dir/linear_regression_main.cpp.o -o ../../../../bin/mlpack_linear_regression -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 44%] Built target mlpack_linear_regression
make -f src/mlpack/methods/logistic_regression/CMakeFiles/mlpack_logistic_regression.dir/build.make src/mlpack/methods/logistic_regression/CMakeFiles/mlpack_logistic_regression.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/logistic_regression /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/logistic_regression/CMakeFiles/mlpack_logistic_regression.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_logistic_regression
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/logistic_regression/CMakeFiles/mlpack_logistic_regression.dir/build.make src/mlpack/methods/logistic_regression/CMakeFiles/mlpack_logistic_regression.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 44%] Building CXX object src/mlpack/methods/logistic_regression/CMakeFiles/mlpack_logistic_regression.dir/logistic_regression_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/logistic_regression && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_logistic_regression.dir/logistic_regression_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_main.cpp
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression.hpp:253:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_main.cpp:16:
/<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_impl.hpp: In instantiation of 'void mlpack::regression::LogisticRegression<MatType>::Classify(const MatType&, arma::Row<unsigned int>&, double) const [with MatType = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_main.cpp:282:60: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_impl.hpp:129:10: warning: 'void mlpack::regression::LogisticRegression<MatType>::Predict(const MatType&, arma::Row<unsigned int>&, double) const [with MatType = arma::Mat<double>]' is deprecated [-Wdeprecated-declarations]
Predict(dataset, labels, decisionBoundary);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_impl.hpp:101:6: note: declared here
void LogisticRegression<MatType>::Predict(const MatType& predictors,
^~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_impl.hpp:129:10: warning: 'void mlpack::regression::LogisticRegression<MatType>::Predict(const MatType&, arma::Row<unsigned int>&, double) const [with MatType = arma::Mat<double>]' is deprecated [-Wdeprecated-declarations]
Predict(dataset, labels, decisionBoundary);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/logistic_regression/logistic_regression_impl.hpp:101:6: note: declared here
void LogisticRegression<MatType>::Predict(const MatType& predictors,
^~~~~~~~~~~~~~~~~~~~~~~~~~~
[ 45%] Linking CXX executable ../../../../bin/mlpack_local_coordinate_coding
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/local_coordinate_coding && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_local_coordinate_coding.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_local_coordinate_coding.dir/local_coordinate_coding_main.cpp.o -o ../../../../bin/mlpack_local_coordinate_coding -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 45%] Built target mlpack_local_coordinate_coding
make -f src/mlpack/methods/lsh/CMakeFiles/mlpack_lsh.dir/build.make src/mlpack/methods/lsh/CMakeFiles/mlpack_lsh.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/lsh /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/lsh /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/lsh/CMakeFiles/mlpack_lsh.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_lsh
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/lsh/CMakeFiles/mlpack_lsh.dir/build.make src/mlpack/methods/lsh/CMakeFiles/mlpack_lsh.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 45%] Building CXX object src/mlpack/methods/lsh/CMakeFiles/mlpack_lsh.dir/lsh_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/lsh && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_lsh.dir/lsh_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp
[ 46%] Linking CXX executable ../../../../bin/mlpack_logistic_regression
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/logistic_regression && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_logistic_regression.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_logistic_regression.dir/logistic_regression_main.cpp.o -o ../../../../bin/mlpack_logistic_regression -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 46%] Built target mlpack_logistic_regression
make -f src/mlpack/methods/naive_bayes/CMakeFiles/mlpack_nbc.dir/build.make src/mlpack/methods/naive_bayes/CMakeFiles/mlpack_nbc.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/naive_bayes /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/naive_bayes /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/naive_bayes/CMakeFiles/mlpack_nbc.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_nbc
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/naive_bayes/CMakeFiles/mlpack_nbc.dir/build.make src/mlpack/methods/naive_bayes/CMakeFiles/mlpack_nbc.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 47%] Building CXX object src/mlpack/methods/naive_bayes/CMakeFiles/mlpack_nbc.dir/nbc_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/naive_bayes && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_nbc.dir/nbc_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/naive_bayes/nbc_main.cpp
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search.hpp:455:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:19:
/<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search_impl.hpp: In constructor 'mlpack::neighbor::LSHSearch<SortPolicy>::LSHSearch()':
/<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search_impl.hpp:69:32: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
referenceSet(new arma::mat()), // Use an empty dataset.
^
/<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search_impl.hpp:69:32: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search_impl.hpp:69:32: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search_impl.hpp: In instantiation of 'mlpack::neighbor::LSHSearch<SortPolicy>::LSHSearch() [with SortPolicy = mlpack::neighbor::NearestNeighborSort]':
/<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:159:15: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search_impl.hpp:69:18: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
referenceSet(new arma::mat()), // Use an empty dataset.
^~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search_impl.hpp:69:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_search_impl.hpp:69:18: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:13:
/usr/include/c++/7/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const std::pair<double, unsigned int>&}; _Tp = std::pair<double, unsigned int>; _Alloc = std::allocator<std::pair<double, unsigned int> >]':
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<std::pair<double, unsigned int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >}' changed in GCC 7.1
vector<_Tp, _Alloc>::
^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc:394:7: note: parameter passing for argument of type 'std::vector<std::pair<double, unsigned int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >}' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:13:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >; _Distance = int; _Tp = std::pair<double, unsigned int>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<mlpack::neighbor::LSHSearch<>::CandidateCmp>]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:13:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__insertion_sort(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1840:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:13:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Tp = arma::arma_sort_index_packet<double>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:13:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_ascend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/queue:62:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:13:
/usr/include/c++/7/bits/stl_heap.h: In function 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Distance = int; _Tp = arma::arma_sort_index_packet<double>; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_heap.h:214:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__adjust_heap(_RandomAccessIterator __first, _Distance __holeIndex,
^~~~~~~~~~~~~
In file included from /usr/include/c++/7/algorithm:62:0,
from /usr/include/boost/math/tools/config.hpp:18,
from /usr/include/boost/math/tools/series.hpp:16,
from /usr/include/boost/math/special_functions/gamma.hpp:19,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:43,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:13:
/usr/include/c++/7/bits/stl_algo.h: In function 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >; _Size = int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<arma::arma_sort_index_helper_descend<double> >]':
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
__introsort_loop(_RandomAccessIterator __first,
^~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1940:5: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
/usr/include/c++/7/bits/stl_algo.h:1954:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__cut, __last, __depth_limit, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h: In function 'bool arma::arma_sort_index_helper(arma::Mat<unsigned int>&, const arma::Proxy<T1>&, arma::uword) [with T1 = arma::Mat<double>; bool sort_stable = false]':
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1968:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__introsort_loop(__first, __last,
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
std::__lg(__last - __first) * 2,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
__comp);
~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1885:25: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/stl_algo.h:1890:23: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<arma::arma_sort_index_packet<double>*, std::vector<arma::arma_sort_index_packet<double>, std::allocator<arma::arma_sort_index_packet<double> > > >' changed in GCC 7.1
std::__insertion_sort(__first, __last, __comp);
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:69:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:13:
/usr/include/c++/7/bits/vector.tcc: In member function 'void mlpack::neighbor::LSHSearch<SortPolicy>::GetAdditionalProbingBins(const vec&, const vec&, size_t, arma::mat&) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort]':
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc:105:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), std::forward<_Args>(__args)...);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/prereqs.hpp:36,
from /<<PKGBUILDDIR>>/src/mlpack/methods/lsh/lsh_main.cpp:13:
/usr/include/c++/7/bits/stl_vector.h: In function '_ZN6mlpack8neighbor9LSHSearchINS0_19NearestNeighborSortEE6SearchERKN4arma3MatIdEEjRNS5_IjEERS6_jj._omp_fn.10':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
/usr/include/c++/7/bits/stl_vector.h: In function '_ZN6mlpack8neighbor9LSHSearchINS0_19NearestNeighborSortEE6SearchEjRN4arma3MatIjEERNS5_IdEEjj._omp_fn.43':
/usr/include/c++/7/bits/stl_vector.h:948:21: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<double, unsigned int>*, std::vector<std::pair<double, unsigned int> > >' changed in GCC 7.1
_M_realloc_insert(end(), __x);
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[ 47%] Linking CXX executable ../../../../bin/mlpack_lsh
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/lsh && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_lsh.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_lsh.dir/lsh_main.cpp.o -o ../../../../bin/mlpack_lsh -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 47%] Built target mlpack_lsh
make -f src/mlpack/methods/nca/CMakeFiles/mlpack_nca.dir/build.make src/mlpack/methods/nca/CMakeFiles/mlpack_nca.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/nca /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/nca /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/nca/CMakeFiles/mlpack_nca.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_nca
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/nca/CMakeFiles/mlpack_nca.dir/build.make src/mlpack/methods/nca/CMakeFiles/mlpack_nca.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 48%] Building CXX object src/mlpack/methods/nca/CMakeFiles/mlpack_nca.dir/nca_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/nca && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_nca.dir/nca_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/nca/nca_main.cpp
[ 48%] Linking CXX executable ../../../../bin/mlpack_nbc
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/naive_bayes && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_nbc.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_nbc.dir/nbc_main.cpp.o -o ../../../../bin/mlpack_nbc -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 48%] Built target mlpack_nbc
make -f src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_knn.dir/build.make src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_knn.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/neighbor_search /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_knn.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_knn
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_knn.dir/build.make src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_knn.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 49%] Building CXX object src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_knn.dir/knn_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/neighbor_search && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_knn.dir/knn_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In copy constructor 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(const mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>(*other.pointsIndex);
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In member function 'void mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SplitNode(arma::Col<unsigned int>&, size_t, double, double)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In constructor 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>&&)':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
other.referenceSet = new arma::mat(); // Empty dataset.
^
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool)':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:468:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet(new MatType()), // Empty matrix.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:471:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:475:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:478:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:481:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:484:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:487:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:490:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:493:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:497:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:500:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:503:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:506:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:509:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:512:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:481:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
return new TreeType(dataset, oldFromNew);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:497:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:509:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:468:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree.hpp:615:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:475:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)),
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RStarTreeSplit; DescentType = mlpack::tree::RStarTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:478:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::BallBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:481:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree.hpp:615:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::XTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::XTreeAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:484:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)),
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:487:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:490:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:493:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HollowBallBound; SplitType = mlpack::tree::VPTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:497:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::RPTreeMeanSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:500:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::RPTreeMaxSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:503:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::CellBound; SplitType = mlpack::tree::UBTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:509:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree.hpp:453:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model.hpp:22,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:26:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp: In instantiation of 'mlpack::tree::Octree<MetricType, StatisticType, MatType>::Octree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:512:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:67:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(dataset)),
^~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:67:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:67:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(std::vector<unsigned int>&, size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::BallBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:80:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::BallBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:481:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, oldFromNew,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
oldFromNew, splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(std::vector<unsigned int>&, size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HollowBallBound; SplitType = mlpack::tree::VPTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:80:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HollowBallBound; SplitType = mlpack::tree::VPTreeSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:497:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, oldFromNew,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
oldFromNew, splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In instantiation of 'void mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SplitNode(arma::Col<unsigned int>&, size_t, double, double) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; HyperplaneType = mlpack::tree::AxisOrthogonalHyperplane; SplitType = mlpack::tree::MidpointSpaceSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:51:12: required from 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(const MatType&, double, size_t, double) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; HyperplaneType = mlpack::tree::AxisOrthogonalHyperplane; SplitType = mlpack::tree::MidpointSpaceSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:506:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:19: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:19: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:19: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(std::vector<unsigned int>&, size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::CellBound; SplitType = mlpack::tree::UBTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:80:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::CellBound; SplitType = mlpack::tree::UBTreeSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:509:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, oldFromNew,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
oldFromNew, splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: use '-faligned-new' to enable C++17 over-aligned new support
[ 49%] Linking CXX executable ../../../../bin/mlpack_nca
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/nca && /usr/bin/cmake -E cmake_link_script CMakeFiles/mlpack_nca.dir/link.txt --verbose=1
/usr/bin/g++ --param ggc-min-expand=20 -g0 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -Wl,-z,relro -Wl,-z,now -rdynamic CMakeFiles/mlpack_nca.dir/nca_main.cpp.o -o ../../../../bin/mlpack_nca -Wl,-rpath,/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/lib: ../../../../lib/libmlpack.so.2.2 -lrt -larmadillo -lboost_program_options -lboost_unit_test_framework -lboost_serialization
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value.hpp:287:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:35,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp: In instantiation of 'mlpack::tree::DiscreteHilbertValue<TreeElemType>::DiscreteHilbertValue(const TreeType*) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; TreeElemType = double]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/hilbert_r_tree_auxiliary_information_impl.hpp:31:22: required from 'mlpack::tree::HilbertRTreeAuxiliaryInformation<TreeType, HilbertValueType>::HilbertRTreeAuxiliaryInformation(const TreeType*) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; HilbertValueType = mlpack::tree::DiscreteHilbertValue]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:53:23: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:487:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:47:9: warning: 'new' of type 'arma::Col<long long unsigned int>' with extended alignment 16 [-Waligned-new=]
new arma::Col<HilbertElemType>(tree->Dataset().n_rows)),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:47:9: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:47:9: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:62:26: warning: 'new' of type 'arma::Mat<long long unsigned int>' with extended alignment 16 [-Waligned-new=]
localHilbertValues = new arma::Mat<HilbertElemType>(tree->Dataset().n_rows,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tree->MaxLeafSize() + 1);
~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:62:26: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:62:26: note: use '-faligned-new' to enable C++17 over-aligned new support
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 49%] Built target mlpack_nca
make -f src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_kfn.dir/build.make src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_kfn.dir/depend
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /<<PKGBUILDDIR>> /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/neighbor_search /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_kfn.dir/DependInfo.cmake --color=
Scanning dependencies of target mlpack_kfn
make[4]: Leaving directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
make -f src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_kfn.dir/build.make src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_kfn.dir/build
make[4]: Entering directory '/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf'
[ 50%] Building CXX object src/mlpack/methods/neighbor_search/CMakeFiles/mlpack_kfn.dir/kfn_main.cpp.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/methods/neighbor_search && /usr/bin/g++ --param ggc-min-expand=20 -g0 -DARMA_32BIT_WORD -DARMA_NO_DEBUG -DBOOST_TEST_DYN_LINK -DHAS_OPENMP -DNDEBUG -I/<<PKGBUILDDIR>> -I/<<PKGBUILDDIR>>/src/mlpack/.. -I/<<PKGBUILDDIR>>/obj-arm-linux-gnueabihf/src/mlpack/.. -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -Wextra -ftemplate-depth=1000 -O3 -fopenmp -std=gnu++11 -o CMakeFiles/mlpack_kfn.dir/kfn_main.cpp.o -c /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree.hpp:615:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>&, bool, mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/r_tree_split_impl.hpp:39:22: required from 'static void mlpack::tree::RTreeSplit::SplitLeafNode(TreeType*, std::vector<bool>&) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:882:29: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::SplitNode(std::vector<bool>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:346:14: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::InsertPoint(size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:61:5: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:475:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
(parent ? parent->dataset : new MatType(*other.dataset)) :
^~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>&, bool, mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/hilbert_r_tree_split_impl.hpp:35:22: required from 'static void mlpack::tree::HilbertRTreeSplit<splitOrder>::SplitLeafNode(TreeType*, std::vector<bool>&) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; unsigned int splitOrder = 2]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:882:29: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::SplitNode(std::vector<bool>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:346:14: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::InsertPoint(size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:61:5: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:487:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>&, bool, mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/r_plus_tree_split_impl.hpp:62:22: required from 'static void mlpack::tree::RPlusTreeSplit<SplitPolicyType, SweepType>::SplitLeafNode(TreeType*, std::vector<bool>&) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; SplitPolicyType = mlpack::tree::RPlusTreeSplitPolicy; SweepType = mlpack::tree::MinimalCoverageSweep]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:882:29: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::SplitNode(std::vector<bool>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:346:14: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::InsertPoint(size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:61:5: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:490:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>&, bool, mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/r_plus_tree_split_impl.hpp:62:22: required from 'static void mlpack::tree::RPlusTreeSplit<SplitPolicyType, SweepType>::SplitLeafNode(TreeType*, std::vector<bool>&) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>; SplitPolicyType = mlpack::tree::RPlusPlusTreeSplitPolicy; SweepType = mlpack::tree::MinimalSplitsNumberSweep]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:882:29: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::SplitNode(std::vector<bool>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:346:14: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::InsertPoint(size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:61:5: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:493:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value.hpp:287:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:35,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp: In instantiation of 'mlpack::tree::DiscreteHilbertValue<TreeElemType>::DiscreteHilbertValue(const mlpack::tree::DiscreteHilbertValue<TreeElemType>&, TreeType*, bool) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; TreeElemType = double]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/hilbert_r_tree_auxiliary_information_impl.hpp:41:54: required from 'mlpack::tree::HilbertRTreeAuxiliaryInformation<TreeType, HilbertValueType>::HilbertRTreeAuxiliaryInformation(const mlpack::tree::HilbertRTreeAuxiliaryInformation<TreeType, HilbertValueType>&, TreeType*, bool) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; HilbertValueType = mlpack::tree::DiscreteHilbertValue]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:170:54: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>&, bool, mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/hilbert_r_tree_split_impl.hpp:35:22: required from 'static void mlpack::tree::HilbertRTreeSplit<splitOrder>::SplitLeafNode(TreeType*, std::vector<bool>&) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; unsigned int splitOrder = 2]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:882:29: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::SplitNode(std::vector<bool>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:346:14: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::InsertPoint(size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:61:5: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:487:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:84:28: warning: 'new' of type 'arma::Mat<long long unsigned int>' with extended alignment 16 [-Waligned-new=]
localHilbertValues = new arma::Mat<HilbertElemType>(
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*other.LocalHilbertValues());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:84:28: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:84:28: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:91:23: warning: 'new' of type 'arma::Col<long long unsigned int>' with extended alignment 16 [-Waligned-new=]
valueToInsert = new arma::Col<HilbertElemType>(
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*other.ValueToInsert());
~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:91:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:91:23: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::StandardCoverTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet = new MatType(std::move(referenceSetIn));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RStarTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::XTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::HilbertRTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPlusTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPlusPlusTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::VPTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::MaxRPTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:190:16: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::SpillKNN*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::SpillKNN = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In instantiation of 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(MatType&&, double, size_t, double) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; HyperplaneType = mlpack::tree::AxisOrthogonalHyperplane; SplitType = mlpack::tree::MidpointSpaceSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:193:31: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::SpillKNN*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::SpillKNN = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:78:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(std::move(data))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:78:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:78:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::UBTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet = new MatType(std::move(referenceSetIn));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::StandardCoverTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RStarTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::XTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::HilbertRTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPlusTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPlusPlusTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::VPTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::MaxRPTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser; mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:95:17: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::SpillKNN*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::SpillKNN = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:98:17: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::SpillKNN*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::SpillKNN = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::UBTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:216:5: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:170:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet = new MatType(std::move(referenceSetIn));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(MatType&&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:220:27: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:170:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(std::move(data)))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:216:5: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:179:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet = new MatType(std::move(referenceSetIn));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(MatType&&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::BallBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:220:27: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:179:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(std::move(data)))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:222:5: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:179:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:662:25: warning: 'new' of type 'mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>::Tree {aka mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>}' with extended alignment 16 [-Waligned-new=]
this->referenceTree = new Tree(std::move(referenceTree));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:662:25: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:662:25: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::VPTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>' with extended alignment 16 [-Waligned-new=]
return new TreeType(std::move(dataset), oldFromNew);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::UBTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:216:5: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:206:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::Octree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::Octree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet = new MatType(std::move(referenceSetIn));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree.hpp:453:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model.hpp:22,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:26:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp: In instantiation of 'mlpack::tree::Octree<MetricType, StatisticType, MatType>::Octree(MatType&&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:220:27: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:206:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::Octree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::Octree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:193:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(std::move(dataset))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:193:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:193:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:126:5: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::SearchLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:70:22: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:138:5: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::SearchLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:70:22: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:126:5: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::SearchLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:79:22: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:138:5: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::SearchLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:79:22: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser; mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:126:5: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::SearchLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:109:22: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::Octree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::Octree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:138:5: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::SearchLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:109:22: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::Octree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<mlpack::tree::Octree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:362:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::BallBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HollowBallBound; SplitType = mlpack::tree::VPTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::RPTreeMeanSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::RPTreeMaxSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::CellBound; SplitType = mlpack::tree::UBTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:43:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree.hpp:453:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model.hpp:22,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:26:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp: In instantiation of 'mlpack::tree::Octree<MetricType, StatisticType, MatType>::Octree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:29:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(dataset)),
^~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:29:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:29:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree.hpp:566:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:18:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp: In instantiation of 'mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::CoverTree(MatType&&, mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::ElemType) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; RootPointPolicy = mlpack::tree::FirstPointIsRoot; mlpack::tree::CoverTree<MetricType, StatisticType, MatType, RootPointPolicy>::ElemType = double]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:69:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::StandardCoverTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:220:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(std::move(data))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:220:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/cover_tree/cover_tree_impl.hpp:220:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree.hpp:615:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(MatType&&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:69:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(std::move(data))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(MatType&&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RStarTreeSplit; DescentType = mlpack::tree::RStarTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:69:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RStarTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:216:5: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:179:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
return new TreeType(std::move(dataset), oldFromNew);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree.hpp:615:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(MatType&&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::XTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::XTreeAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:69:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::XTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(std::move(data))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(MatType&&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:69:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::HilbertRTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(MatType&&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:69:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPlusTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(MatType&&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:69:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPlusPlusTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:90:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(MatType&&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HollowBallBound; SplitType = mlpack::tree::VPTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::VPTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(std::move(data)))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(MatType&&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::RPTreeMeanSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(MatType&&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::RPTreeMaxSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::MaxRPTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(MatType&&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::CellBound; SplitType = mlpack::tree::UBTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:57:10: required from 'TreeType* mlpack::neighbor::BuildTree(MatType&&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:543:45: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::UBTree; SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree.hpp:453:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model.hpp:22,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:26:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp: In instantiation of 'mlpack::tree::Octree<MetricType, StatisticType, MatType>::Octree(mlpack::tree::Octree<MetricType, StatisticType, MatType>&&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:662:25: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser; mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:222:5: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::NearestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:206:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::Octree>*) const [with SortPolicy = mlpack::neighbor::NearestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::Octree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::NearestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:310:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:386:19: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
other.dataset = new MatType();
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:386:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:386:19: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:24:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::BallBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:47:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::BallBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, splitter,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
maxLeafSize);
~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HollowBallBound; SplitType = mlpack::tree::VPTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:47:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HollowBallBound; SplitType = mlpack::tree::VPTreeSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, splitter,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
maxLeafSize);
~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::CellBound; SplitType = mlpack::tree::UBTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:47:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::CellBound; SplitType = mlpack::tree::UBTreeSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1104:14: required from 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:364:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, splitter,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
maxLeafSize);
~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:786:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:788:11: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In copy constructor 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(const mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>&)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>(*other.pointsIndex);
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:169:59: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In member function 'void mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SplitNode(arma::Col<unsigned int>&, size_t, double, double)':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:41: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:41: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In constructor 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>&&)':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
other.referenceSet = new arma::mat(); // Empty dataset.
^
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:449:38: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:31: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool)':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In member function 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&)':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:29: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:29: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree.hpp:453:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model.hpp:22,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:26:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp: In instantiation of 'mlpack::tree::Octree<MetricType, StatisticType, MatType>::Octree() [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:360:8: required from 'static void boost::serialization::access::construct(T*) [with T = mlpack::data::PointerShim<mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> > >]'
/usr/include/boost/serialization/serialization.hpp:92:22: required from 'void boost::serialization::load_construct_data(Archive&, T*, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::PointerShim<mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> > >]'
/usr/include/boost/serialization/serialization.hpp:148:24: required from 'void boost::serialization::load_construct_data_adl(Archive&, T*, unsigned int) [with Archive = boost::archive::xml_iarchive; T = mlpack::data::PointerShim<mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> > >]'
/usr/include/boost/archive/detail/iserializer.hpp:341:66: required from 'void boost::archive::detail::pointer_iserializer<Archive, T>::load_object_ptr(boost::archive::detail::basic_iarchive&, void*, unsigned int) const [with Archive = boost::archive::xml_iarchive; T = mlpack::data::PointerShim<mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> > >]'
/usr/include/boost/archive/detail/iserializer.hpp:291:1: required from 'class boost::archive::detail::pointer_iserializer<boost::archive::xml_iarchive, mlpack::data::PointerShim<mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double> > > >'
/usr/include/boost/archive/detail/interface_iarchive.hpp:52:43: [ skipping 83 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/archive/basic_xml_iarchive.hpp:78:9: required from 'void boost::archive::basic_xml_iarchive<Archive>::load_override(const boost::serialization::nvp<T>&) [with T = mlpack::data::SecondShim<mlpack::neighbor::NSModel<mlpack::neighbor::NearestNeighborSort> >; Archive = boost::archive::xml_iarchive]'
/usr/include/boost/archive/xml_iarchive.hpp:95:51: required from 'void boost::archive::xml_iarchive_impl<Archive>::load_override(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::neighbor::NSModel<mlpack::neighbor::NearestNeighborSort> > >; Archive = boost::archive::xml_iarchive]'
/usr/include/boost/archive/detail/interface_iarchive.hpp:68:9: required from 'Archive& boost::archive::detail::interface_iarchive<Archive>::operator>>(T&) [with T = const boost::serialization::nvp<mlpack::data::SecondShim<mlpack::neighbor::NSModel<mlpack::neighbor::NearestNeighborSort> > >; Archive = boost::archive::xml_iarchive]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/serialization_shim.hpp:401:14: required from 'Archive& mlpack::data::operator>>(Archive&, mlpack::data::FirstShim<T>) [with Archive = boost::archive::xml_iarchive; T = mlpack::neighbor::NSModel<mlpack::neighbor::NearestNeighborSort>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/data/load_model_impl.hpp:95:10: required from 'bool mlpack::data::Load(const string&, const string&, T&, bool, mlpack::data::format) [with T = mlpack::neighbor::NSModel<mlpack::neighbor::NearestNeighborSort>; std::__cxx11::string = std::__cxx11::basic_string<char>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/knn_main.cpp:316:54: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:397:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType()),
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:397:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:397:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:468:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet(new MatType()), // Empty matrix.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:471:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:475:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:478:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:481:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:484:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:487:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:490:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:493:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:497:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:500:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:503:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:506:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:509:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:512:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:219:18: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:481:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
return new TreeType(dataset, oldFromNew);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:497:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>*]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:509:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:468:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree.hpp:615:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:475:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)),
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RStarTreeSplit; DescentType = mlpack::tree::RStarTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:478:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::BallBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:481:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree.hpp:615:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::XTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::XTreeAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:484:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)),
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:487:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:490:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:493:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:50:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HollowBallBound; SplitType = mlpack::tree::VPTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:497:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(data)) // Copies the dataset.
^~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::RPTreeMeanSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:500:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::RPTreeMaxSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:503:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::CellBound; SplitType = mlpack::tree::UBTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:509:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:71:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree.hpp:453:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model.hpp:22,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:23:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp: In instantiation of 'mlpack::tree::Octree<MetricType, StatisticType, MatType>::Octree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:512:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:67:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(dataset)),
^~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:67:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/octree/octree_impl.hpp:67:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(std::vector<unsigned int>&, size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::BallBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:80:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::BallBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:481:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, oldFromNew,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
oldFromNew, splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(std::vector<unsigned int>&, size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HollowBallBound; SplitType = mlpack::tree::VPTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:80:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HollowBallBound; SplitType = mlpack::tree::VPTreeSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:497:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, oldFromNew,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
oldFromNew, splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In instantiation of 'void mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SplitNode(arma::Col<unsigned int>&, size_t, double, double) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; HyperplaneType = mlpack::tree::AxisOrthogonalHyperplane; SplitType = mlpack::tree::MidpointSpaceSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:51:12: required from 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(const MatType&, double, size_t, double) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; HyperplaneType = mlpack::tree::AxisOrthogonalHyperplane; SplitType = mlpack::tree::MidpointSpaceSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:506:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:19: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:590:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:19: warning: 'new' of type 'arma::Col<unsigned int>' with extended alignment 16 [-Waligned-new=]
pointsIndex = new arma::Col<size_t>();
^~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:602:19: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'void mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::SplitNode(std::vector<unsigned int>&, size_t, SplitType<BoundType<MetricType>, MatType>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::CellBound; SplitType = mlpack::tree::UBTreeSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:80:12: required from 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(const MatType&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::CellBound; SplitType = mlpack::tree::UBTreeSplit; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:33:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == true), TreeType*>::type = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:509:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>' with extended alignment 16 [-Waligned-new=]
left = new BinarySpaceTree(this, begin, splitCol - begin, oldFromNew,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:853:10: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: warning: 'new' of type 'mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>' with extended alignment 16 [-Waligned-new=]
right = new BinarySpaceTree(this, splitCol, begin + count - splitCol,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
oldFromNew, splitter, maxLeafSize);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:855:11: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value.hpp:287:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:35,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp: In instantiation of 'mlpack::tree::DiscreteHilbertValue<TreeElemType>::DiscreteHilbertValue(const TreeType*) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; TreeElemType = double]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/hilbert_r_tree_auxiliary_information_impl.hpp:31:22: required from 'mlpack::tree::HilbertRTreeAuxiliaryInformation<TreeType, HilbertValueType>::HilbertRTreeAuxiliaryInformation(const TreeType*) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; HilbertValueType = mlpack::tree::DiscreteHilbertValue]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:53:23: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:487:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:47:9: warning: 'new' of type 'arma::Col<long long unsigned int>' with extended alignment 16 [-Waligned-new=]
new arma::Col<HilbertElemType>(tree->Dataset().n_rows)),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:47:9: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:47:9: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:62:26: warning: 'new' of type 'arma::Mat<long long unsigned int>' with extended alignment 16 [-Waligned-new=]
localHilbertValues = new arma::Mat<HilbertElemType>(tree->Dataset().n_rows,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tree->MaxLeafSize() + 1);
~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:62:26: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:62:26: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree.hpp:615:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>&, bool, mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/r_tree_split_impl.hpp:39:22: required from 'static void mlpack::tree::RTreeSplit::SplitLeafNode(TreeType*, std::vector<bool>&) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:882:29: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::SplitNode(std::vector<bool>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:346:14: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::InsertPoint(size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:61:5: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RTreeSplit; DescentType = mlpack::tree::RTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:475:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
(parent ? parent->dataset : new MatType(*other.dataset)) :
^~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>&, bool, mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/hilbert_r_tree_split_impl.hpp:35:22: required from 'static void mlpack::tree::HilbertRTreeSplit<splitOrder>::SplitLeafNode(TreeType*, std::vector<bool>&) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; unsigned int splitOrder = 2]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:882:29: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::SplitNode(std::vector<bool>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:346:14: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::InsertPoint(size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:61:5: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:487:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>&, bool, mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/r_plus_tree_split_impl.hpp:62:22: required from 'static void mlpack::tree::RPlusTreeSplit<SplitPolicyType, SweepType>::SplitLeafNode(TreeType*, std::vector<bool>&) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; SplitPolicyType = mlpack::tree::RPlusTreeSplitPolicy; SweepType = mlpack::tree::MinimalCoverageSweep]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:882:29: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::SplitNode(std::vector<bool>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:346:14: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::InsertPoint(size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:61:5: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>; DescentType = mlpack::tree::RPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::NoAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:490:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp: In instantiation of 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>&, bool, mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/r_plus_tree_split_impl.hpp:62:22: required from 'static void mlpack::tree::RPlusTreeSplit<SplitPolicyType, SweepType>::SplitLeafNode(TreeType*, std::vector<bool>&) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>; SplitPolicyType = mlpack::tree::RPlusPlusTreeSplitPolicy; SweepType = mlpack::tree::MinimalSplitsNumberSweep]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:882:29: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::SplitNode(std::vector<bool>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:346:14: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::InsertPoint(size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:61:5: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>; DescentType = mlpack::tree::RPlusPlusTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::RPlusPlusTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:493:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:166:37: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value.hpp:287:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree.hpp:35,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:21,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp: In instantiation of 'mlpack::tree::DiscreteHilbertValue<TreeElemType>::DiscreteHilbertValue(const mlpack::tree::DiscreteHilbertValue<TreeElemType>&, TreeType*, bool) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; TreeElemType = double]':
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/hilbert_r_tree_auxiliary_information_impl.hpp:41:54: required from 'mlpack::tree::HilbertRTreeAuxiliaryInformation<TreeType, HilbertValueType>::HilbertRTreeAuxiliaryInformation(const mlpack::tree::HilbertRTreeAuxiliaryInformation<TreeType, HilbertValueType>&, TreeType*, bool) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; HilbertValueType = mlpack::tree::DiscreteHilbertValue]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:170:54: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>&, bool, mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>*) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/hilbert_r_tree_split_impl.hpp:35:22: required from 'static void mlpack::tree::HilbertRTreeSplit<splitOrder>::SplitLeafNode(TreeType*, std::vector<bool>&) [with TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; unsigned int splitOrder = 2]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:882:29: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::SplitNode(std::vector<bool>&) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:346:14: required from 'void mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::InsertPoint(size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/rectangle_tree_impl.hpp:61:5: required from 'mlpack::tree::RectangleTree<MetricType, StatisticType, MatType, SplitType, DescentType, AuxiliaryInformationType>::RectangleTree(const MatType&, size_t, size_t, size_t, size_t, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; SplitType = mlpack::tree::HilbertRTreeSplit<2>; DescentType = mlpack::tree::HilbertRTreeDescentHeuristic; AuxiliaryInformationType = mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:45:10: required from 'TreeType* mlpack::neighbor::BuildTree(const MatType&, const std::vector<unsigned int>&, typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type) [with MatType = arma::Mat<double>; TreeType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>; typename boost::enable_if_c<(mlpack::tree::TreeTraits<TreeType>::RearrangesDataset == false), TreeType*>::type = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>*]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:238:45: required from 'mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::NeighborSearch(mlpack::neighbor::NeighborSearchMode, double, MetricType) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:487:17: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:84:28: warning: 'new' of type 'arma::Mat<long long unsigned int>' with extended alignment 16 [-Waligned-new=]
localHilbertValues = new arma::Mat<HilbertElemType>(
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*other.LocalHilbertValues());
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:84:28: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:84:28: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:91:23: warning: 'new' of type 'arma::Col<long long unsigned int>' with extended alignment 16 [-Waligned-new=]
valueToInsert = new arma::Col<HilbertElemType>(
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*other.ValueToInsert());
~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:91:23: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/rectangle_tree/discrete_hilbert_value_impl.hpp:91:23: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::StandardCoverTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet = new MatType(std::move(referenceSetIn));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RStarTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::XTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::HilbertRTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPlusTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPlusPlusTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::VPTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::MaxRPTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:190:16: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::SpillKNN*) const [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::SpillKNN = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree.hpp:479:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/is_spill_tree.hpp:14,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules_impl.hpp:17,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_rules.hpp:232,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:26,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp: In instantiation of 'mlpack::tree::SpillTree<MetricType, StatisticType, MatType, HyperplaneType, SplitType>::SpillTree(MatType&&, double, size_t, double) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>; MatType = arma::Mat<double>; HyperplaneType = mlpack::tree::AxisOrthogonalHyperplane; SplitType = mlpack::tree::MidpointSpaceSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:193:31: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::SpillKNN*) const [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::SpillKNN = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:78:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(std::move(data))),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:78:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/spill_tree/spill_tree_impl.hpp:78:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:161:45: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::UBTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet = new MatType(std::move(referenceSetIn));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::StandardCoverTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RStarTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::XTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::HilbertRTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPlusTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPlusPlusTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::VPTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::RPTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::MaxRPTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree&, size_t, arma::Mat<unsigned int>&, arma::mat&, bool) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser; mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Tree = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:95:17: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::SpillKNN*) const [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::SpillKNN = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:952:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:98:17: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::SpillKNN*) const [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::SpillKNN = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(const MatType&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:61:56: required from 'void mlpack::neighbor::BiSearchVisitor<SortPolicy>::operator()(mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType>*) const [with TreeType = mlpack::tree::UBTree; SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::BiSearchVisitor<SortPolicy>::NSTypeT<TreeType> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::BiSearchVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:558:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(arma::mat&&, size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:341:63: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat; // Query indices need to be mapped.
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:718:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:719:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>; // Reference indices need mapping.
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:722:21: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::StandardCoverTree; DualTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RStarTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::XTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::HilbertRTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPlusPlusTree; DualTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::VPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::RPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::MaxRPTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::NearestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::SPTree; DualTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser; SingleTreeTraversalType = mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::UBTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::Octree; DualTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser; size_t = unsigned int; arma::mat = arma::Mat<double>]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:31:46: required from 'void mlpack::neighbor::MonoSearchVisitor::operator()(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; Visitor = mlpack::neighbor::MonoSearchVisitor; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke(int, Visitor&, VoidPtrCV, T*, NoBackupFlag, int) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:238:5: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl(int, int, Visitor&, VoidPtrCV, mpl_::false_, NoBackupFlag, Which*, step0*) [with Which = mpl_::int_<0>; step0 = boost::detail::variant::visitation_impl_step<boost::mpl::l_iter<boost::mpl::l_item<mpl_::long_<15>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, boost::mpl::l_item<mpl_::long_<14>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<13>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<12>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<11>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<10>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<9>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<8>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<7>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<6>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<5>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<4>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<3>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<2>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, boost::mpl::l_item<mpl_::long_<1>, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*, boost::mpl::l_end> > > > > > > > > > > > > > > >, boost::mpl::l_iter<boost::mpl::l_end> >; Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; NoBackupFlag = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>::has_fallback_type_; typename Visitor::result_type = void; mpl_::false_ = mpl_::bool_<false>]'
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::MonoSearchVisitor>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::MonoSearchVisitor; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:591:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::Search(size_t, arma::Mat<unsigned int>&, arma::mat&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; size_t = unsigned int; arma::mat = arma::Mat<double>]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:343:41: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: warning: 'new' of type 'arma::mat {aka arma::Mat<double>}' with extended alignment 16 [-Waligned-new=]
distancePtr = new arma::mat;
^~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1032:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: warning: 'new' of type 'arma::Mat<unsigned int>' with extended alignment 16 [-Waligned-new=]
neighborPtr = new arma::Mat<size_t>;
^~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:1033:19: note: use '-faligned-new' to enable C++17 over-aligned new support
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::KDTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:216:5: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >; SortPolicy = mlpack::neighbor::FurthestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:170:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree>*) const [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
referenceSet = new MatType(std::move(referenceSetIn));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp:563:20: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree.hpp:558:0,
from /<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree.hpp:23,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:20,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp: In instantiation of 'mlpack::tree::BinarySpaceTree<MetricType, StatisticType, MatType, BoundType, SplitType>::BinarySpaceTree(MatType&&, std::vector<unsigned int>&, size_t) [with MetricType = mlpack::metric::LMetric<2, true>; StatisticType = mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>; MatType = arma::Mat<double>; BoundType = mlpack::bound::HRectBound; SplitType = mlpack::tree::MidpointSplit; size_t = unsigned int]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:220:27: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >; SortPolicy = mlpack::neighbor::FurthestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:170:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree>*) const [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::KDTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*>; typename Visitor::result_type = void]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:517:23: required from 'void mlpack::neighbor::NSModel<SortPolicy>::BuildModel(arma::mat&&, size_t, mlpack::neighbor::NeighborSearchMode, double) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; arma::mat = arma::Mat<double>; size_t = unsigned int]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:289:79: required from here
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: warning: 'new' of type 'arma::Mat<double>' with extended alignment 16 [-Waligned-new=]
dataset(new MatType(std::move(data)))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
/<<PKGBUILDDIR>>/src/mlpack/../mlpack/core/tree/binary_space_tree/binary_space_tree_impl.hpp:168:13: note: use '-faligned-new' to enable C++17 over-aligned new support
In file included from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search.hpp:611:0,
from /<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/kfn_main.cpp:21:
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp: In instantiation of 'void mlpack::neighbor::NeighborSearch<SortPolicy, MetricType, MatType, TreeType, DualTreeTraversalType, SingleTreeTraversalType>::Train(MatType&&) [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; MetricType = mlpack::metric::LMetric<2, true>; MatType = arma::Mat<double>; TreeType = mlpack::tree::BallTree; DualTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser; SingleTreeTraversalType = mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser]':
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:216:5: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::TrainLeaf(NSType*) const [with NSType = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>; SortPolicy = mlpack::neighbor::FurthestNeighborSort]'
/<<PKGBUILDDIR>>/src/mlpack/methods/neighbor_search/ns_model_impl.hpp:179:21: required from 'void mlpack::neighbor::TrainVisitor<SortPolicy>::operator()(mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree>*) const [with SortPolicy = mlpack::neighbor::FurthestNeighborSort; mlpack::neighbor::TrainVisitor<SortPolicy>::NSTypeT<mlpack::tree::BallTree> = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>]'
/usr/include/boost/variant/variant.hpp:1046:24: required from 'boost::detail::variant::invoke_visitor<Visitor>::result_type boost::detail::variant::invoke_visitor<Visitor>::internal_visit(T&, int) [with T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; boost::detail::variant::invoke_visitor<Visitor>::result_type = void]'
/usr/include/boost/variant/detail/visitation_impl.hpp:114:9: required from 'typename Visitor::result_type boost::detail::variant::visitation_impl_invoke_impl(int, Visitor&, VoidPtrCV, T*, mpl_::true_) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*; typename Visitor::result_type = void; mpl_::true_ = mpl_::bool_<true>]'
/usr/include/boost/variant/detail/visitation_impl.hpp:154:41: [ skipping 2 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
/usr/include/boost/variant/variant.hpp:2384:48: required from 'static typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor_impl(int, int, Visitor&, VoidPtrCV) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; VoidPtrCV = void*; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2398:43: required from 'typename Visitor::result_type boost::variant<T0, TN>::internal_apply_visitor(Visitor&) [with Visitor = boost::detail::variant::invoke_visitor<mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort> >; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/variant.hpp:2423:52: required from 'typename Visitor::result_type boost::variant<T0, TN>::apply_visitor(Visitor&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; T0_ = mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*; TN = {mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusPlusTreeSplitPolicy, mlpack::tree::MinimalSplitsNumberSweep>, mlpack::tree::RPlusPlusTreeDescentHeuristic, mlpack::tree::RPlusPlusTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::VPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HollowBallBound, mlpack::tree::VPTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMeanSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::MaxRPTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::HRectBound, mlpack::tree::RPTreeMaxSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::NearestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::SPTree, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistDualTreeTraverser, mlpack::tree::SpillTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::NearestNeighborSort>, arma::Mat<double>, mlpack::tree::AxisOrthogonalHyperplane, mlpack::tree::MidpointSpaceSplit>::DefeatistSingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::UBTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::CellBound, mlpack::tree::UBTreeSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::Octree, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::DualTreeTraverser, mlpack::tree::Octree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double> >::SingleTreeTraverser>*}; typename Visitor::result_type = void]'
/usr/include/boost/variant/detail/apply_visitor_unary.hpp:70:43: required from 'typename Visitor::result_type boost::apply_visitor(Visitor&, Visitable&) [with Visitor = mlpack::neighbor::TrainVisitor<mlpack::neighbor::FurthestNeighborSort>; Visitable = boost::variant<mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true> >*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::StandardCoverTree, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::DualTreeTraverser, mlpack::tree::CoverTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::FirstPointIsRoot>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RStarTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RStarTreeSplit, mlpack::tree::RStarTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::BallTree, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::DualTreeTraverser, mlpack::tree::BinarySpaceTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::bound::BallBound, mlpack::tree::MidpointSplit>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::XTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::XTreeSplit, mlpack::tree::RTreeDescentHeuristic, mlpack::tree::XTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::HilbertRTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::HilbertRTreeSplit<2>, mlpack::tree::HilbertRTreeDescentHeuristic, mlpack::tree::DiscreteHilbertRTreeAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<mlpack::neighbor::FurthestNeighborSort, mlpack::metric::LMetric<2, true>, arma::Mat<double>, mlpack::tree::RPlusTree, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::DualTreeTraverser, mlpack::tree::RectangleTree<mlpack::metric::LMetric<2, true>, mlpack::neighbor::NeighborSearchStat<mlpack::neighbor::FurthestNeighborSort>, arma::Mat<double>, mlpack::tree::RPlusTreeSplit<mlpack::tree::RPlusTreeSplitPolicy, mlpack::tree::MinimalCoverageSweep>, mlpack::tree::RPlusTreeDescentHeuristic, mlpack::tree::NoAuxiliaryInformation>::SingleTreeTraverser>*, mlpack::neighbor::NeighborSearch<